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 --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/array-multidimensional/rev-2-n-u.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 13:05:55,457 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 13:05:55,459 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 13:05:55,473 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 13:05:55,473 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 13:05:55,475 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 13:05:55,478 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 13:05:55,481 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 13:05:55,489 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 13:05:55,493 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 13:05:55,494 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 13:05:55,496 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 13:05:55,497 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 13:05:55,500 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 13:05:55,501 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 13:05:55,502 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 13:05:55,505 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 13:05:55,506 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 13:05:55,511 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 13:05:55,515 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 13:05:55,516 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 13:05:55,518 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 13:05:55,520 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 13:05:55,521 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 13:05:55,526 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 13:05:55,526 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 13:05:55,527 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 13:05:55,529 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 13:05:55,531 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 13:05:55,533 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 13:05:55,533 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 13:05:55,535 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 13:05:55,536 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 13:05:55,537 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 13:05:55,540 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 13:05:55,540 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 13:05:55,541 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 13:05:55,541 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 13:05:55,542 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 13:05:55,544 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 13:05:55,545 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 13:05:55,546 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 [2019-10-03 13:05:55,570 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 13:05:55,570 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 13:05:55,571 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-03 13:05:55,572 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-03 13:05:55,572 INFO L138 SettingsManager]: * Use SBE=true [2019-10-03 13:05:55,573 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 13:05:55,573 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 13:05:55,573 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-03 13:05:55,574 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 13:05:55,574 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 13:05:55,575 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 13:05:55,575 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 13:05:55,576 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 13:05:55,576 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 13:05:55,576 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 13:05:55,576 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-03 13:05:55,577 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 13:05:55,577 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 13:05:55,577 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 13:05:55,577 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-03 13:05:55,578 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-03 13:05:55,578 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 13:05:55,578 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 13:05:55,579 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 13:05:55,579 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-03 13:05:55,579 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-03 13:05:55,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 13:05:55,580 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-03 13:05:55,580 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-03 13:05:55,630 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 13:05:55,649 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 13:05:55,655 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 13:05:55,657 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 13:05:55,657 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 13:05:55,658 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-multidimensional/rev-2-n-u.c [2019-10-03 13:05:55,718 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea83fa815/a45a03a527944a4c940560133fde5b67/FLAGb62ec30b8 [2019-10-03 13:05:56,162 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 13:05:56,163 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-multidimensional/rev-2-n-u.c [2019-10-03 13:05:56,171 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea83fa815/a45a03a527944a4c940560133fde5b67/FLAGb62ec30b8 [2019-10-03 13:05:56,563 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea83fa815/a45a03a527944a4c940560133fde5b67 [2019-10-03 13:05:56,573 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 13:05:56,575 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 13:05:56,575 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 13:05:56,575 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 13:05:56,579 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 13:05:56,580 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 01:05:56" (1/1) ... [2019-10-03 13:05:56,582 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a425a91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:05:56, skipping insertion in model container [2019-10-03 13:05:56,583 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 01:05:56" (1/1) ... [2019-10-03 13:05:56,589 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 13:05:56,605 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 13:05:56,785 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 13:05:56,788 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 13:05:56,811 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 13:05:56,939 INFO L192 MainTranslator]: Completed translation [2019-10-03 13:05:56,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:05:56 WrapperNode [2019-10-03 13:05:56,940 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 13:05:56,940 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 13:05:56,941 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 13:05:56,941 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 13:05:56,951 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:05:56" (1/1) ... [2019-10-03 13:05:56,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:05:56" (1/1) ... [2019-10-03 13:05:56,958 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:05:56" (1/1) ... [2019-10-03 13:05:56,958 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:05:56" (1/1) ... [2019-10-03 13:05:56,965 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:05:56" (1/1) ... [2019-10-03 13:05:56,973 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:05:56" (1/1) ... [2019-10-03 13:05:56,974 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:05:56" (1/1) ... [2019-10-03 13:05:56,977 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 13:05:56,977 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 13:05:56,977 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 13:05:56,978 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 13:05:56,979 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:05:56" (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 [2019-10-03 13:05:57,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 13:05:57,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 13:05:57,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-03 13:05:57,035 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 13:05:57,035 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 13:05:57,036 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-03 13:05:57,036 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 13:05:57,036 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 13:05:57,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 13:05:57,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 13:05:57,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 13:05:57,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 13:05:57,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 13:05:57,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 13:05:57,390 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 13:05:57,391 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-10-03 13:05:57,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 01:05:57 BoogieIcfgContainer [2019-10-03 13:05:57,392 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 13:05:57,393 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-03 13:05:57,393 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-03 13:05:57,393 INFO L275 PluginConnector]: Sifa initialized [2019-10-03 13:05:57,395 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 01:05:57" (1/1) ... [2019-10-03 13:05:57,395 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-10-03 13:05:57,443 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-03 13:05:57,443 INFO L169 IcfgInterpreter]: Building call graph [2019-10-03 13:05:57,454 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-03 13:05:57,466 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-03 13:05:57,468 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-03 13:05:57,651 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 21 for LOIs [2019-10-03 13:05:58,684 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 43 for LOIs [2019-10-03 13:05:58,688 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-03 13:05:58,689 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-03 13:05:58,691 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 234#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (exists ((v_main_~n~0_BEFORE_CALL_4 Int) (|v_main_~#B~0.base_BEFORE_CALL_4| Int) (v_main_~j~0_BEFORE_CALL_4 Int) (v_main_~m~0_BEFORE_CALL_4 Int) (|v_main_~#A~0.base_BEFORE_CALL_4| Int) (|v_main_~#B~0.offset_BEFORE_CALL_4| Int) (|v_main_~#A~0.offset_BEFORE_CALL_4| Int) (v_main_~i~0_BEFORE_CALL_4 Int)) (or (and (<= 0 v_main_~m~0_BEFORE_CALL_4) (= |__VERIFIER_assert_#in~cond| 1) (<= 0 v_main_~j~0_BEFORE_CALL_4) (< v_main_~j~0_BEFORE_CALL_4 v_main_~n~0_BEFORE_CALL_4) (<= 0 v_main_~i~0_BEFORE_CALL_4) (= (select (select |#memory_int| |v_main_~#A~0.base_BEFORE_CALL_4|) (+ (+ |v_main_~#A~0.offset_BEFORE_CALL_4| (* v_main_~i~0_BEFORE_CALL_4 (* 4 v_main_~n~0_BEFORE_CALL_4))) (* 4 v_main_~j~0_BEFORE_CALL_4))) (select (select |#memory_int| |v_main_~#B~0.base_BEFORE_CALL_4|) (+ (+ |v_main_~#B~0.offset_BEFORE_CALL_4| (* (+ v_main_~m~0_BEFORE_CALL_4 (* (- 1) v_main_~i~0_BEFORE_CALL_4) (- 1)) (* 4 v_main_~n~0_BEFORE_CALL_4))) (+ (* 4 v_main_~n~0_BEFORE_CALL_4) (* (- 4) v_main_~j~0_BEFORE_CALL_4) (- 4)))))) (and (<= 0 v_main_~m~0_BEFORE_CALL_4) (= |__VERIFIER_assert_#in~cond| 0) (<= 0 v_main_~j~0_BEFORE_CALL_4) (< v_main_~j~0_BEFORE_CALL_4 v_main_~n~0_BEFORE_CALL_4) (<= 0 v_main_~i~0_BEFORE_CALL_4) (not (= (select (select |#memory_int| |v_main_~#A~0.base_BEFORE_CALL_4|) (+ (+ |v_main_~#A~0.offset_BEFORE_CALL_4| (* v_main_~i~0_BEFORE_CALL_4 (* 4 v_main_~n~0_BEFORE_CALL_4))) (* 4 v_main_~j~0_BEFORE_CALL_4))) (select (select |#memory_int| |v_main_~#B~0.base_BEFORE_CALL_4|) (+ (+ |v_main_~#B~0.offset_BEFORE_CALL_4| (* (+ v_main_~m~0_BEFORE_CALL_4 (* (- 1) v_main_~i~0_BEFORE_CALL_4) (- 1)) (* 4 v_main_~n~0_BEFORE_CALL_4))) (+ (* 4 v_main_~n~0_BEFORE_CALL_4) (* (- 4) v_main_~j~0_BEFORE_CALL_4) (- 4))))))))) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-03 13:05:58,706 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-03 13:05:58,707 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-03 13:05:58,708 INFO L168 Benchmark]: Toolchain (without parser) took 2133.92 ms. Allocated memory was 136.3 MB in the beginning and 224.4 MB in the end (delta: 88.1 MB). Free memory was 87.1 MB in the beginning and 184.4 MB in the end (delta: -97.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-03 13:05:58,709 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 136.3 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 13:05:58,712 INFO L168 Benchmark]: CACSL2BoogieTranslator took 364.73 ms. Allocated memory was 136.3 MB in the beginning and 200.8 MB in the end (delta: 64.5 MB). Free memory was 86.9 MB in the beginning and 178.6 MB in the end (delta: -91.7 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. [2019-10-03 13:05:58,714 INFO L168 Benchmark]: Boogie Preprocessor took 36.51 ms. Allocated memory is still 200.8 MB. Free memory was 178.6 MB in the beginning and 176.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-10-03 13:05:58,714 INFO L168 Benchmark]: RCFGBuilder took 415.37 ms. Allocated memory is still 200.8 MB. Free memory was 176.4 MB in the beginning and 155.2 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. [2019-10-03 13:05:58,715 INFO L168 Benchmark]: Sifa took 1313.81 ms. Allocated memory was 200.8 MB in the beginning and 224.4 MB in the end (delta: 23.6 MB). Free memory was 155.2 MB in the beginning and 184.4 MB in the end (delta: -29.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-03 13:05:58,722 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 136.3 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 364.73 ms. Allocated memory was 136.3 MB in the beginning and 200.8 MB in the end (delta: 64.5 MB). Free memory was 86.9 MB in the beginning and 178.6 MB in the end (delta: -91.7 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 36.51 ms. Allocated memory is still 200.8 MB. Free memory was 178.6 MB in the beginning and 176.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 415.37 ms. Allocated memory is still 200.8 MB. Free memory was 176.4 MB in the beginning and 155.2 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. * Sifa took 1313.81 ms. Allocated memory was 200.8 MB in the beginning and 224.4 MB in the end (delta: 23.6 MB). Free memory was 155.2 MB in the beginning and 184.4 MB in the end (delta: -29.2 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 1251, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 69, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 46, TOOLS_POST_TIME[ms]: 403, TOOLS_POST_CALL_APPLICATIONS: 6, TOOLS_POST_CALL_TIME[ms]: 75, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 11, TOOLS_QUANTIFIERELIM_APPLICATIONS: 56, TOOLS_QUANTIFIERELIM_TIME[ms]: 449, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 92, FLUID_QUERY_TIME[ms]: 8, FLUID_QUERIES: 83, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 28, DOMAIN_JOIN_TIME[ms]: 280, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 8, DOMAIN_WIDEN_TIME[ms]: 299, DOMAIN_ISSUBSETEQ_APPLICATIONS: 14, DOMAIN_ISSUBSETEQ_TIME[ms]: 68, DOMAIN_ISBOTTOM_APPLICATIONS: 8, DOMAIN_ISBOTTOM_TIME[ms]: 13, LOOP_SUMMARIZER_APPLICATIONS: 6, LOOP_SUMMARIZER_CACHE_MISSES: 6, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 992, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 991, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 14, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 144, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 144, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 18, DAG_COMPRESSION_PROCESSED_NODES: 102, DAG_COMPRESSION_RETAINED_NODES: 54 - UnprovableResult [Line: 5]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 234#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (exists ((v_main_~n~0_BEFORE_CALL_4 Int) (|v_main_~#B~0.base_BEFORE_CALL_4| Int) (v_main_~j~0_BEFORE_CALL_4 Int) (v_main_~m~0_BEFORE_CALL_4 Int) (|v_main_~#A~0.base_BEFORE_CALL_4| Int) (|v_main_~#B~0.offset_BEFORE_CALL_4| Int) (|v_main_~#A~0.offset_BEFORE_CALL_4| Int) (v_main_~i~0_BEFORE_CALL_4 Int)) (or (and (<= 0 v_main_~m~0_BEFORE_CALL_4) (= |__VERIFIER_assert_#in~cond| 1) (<= 0 v_main_~j~0_BEFORE_CALL_4) (< v_main_~j~0_BEFORE_CALL_4 v_main_~n~0_BEFORE_CALL_4) (<= 0 v_main_~i~0_BEFORE_CALL_4) (= (select (select |#memory_int| |v_main_~#A~0.base_BEFORE_CALL_4|) (+ (+ |v_main_~#A~0.offset_BEFORE_CALL_4| (* v_main_~i~0_BEFORE_CALL_4 (* 4 v_main_~n~0_BEFORE_CALL_4))) (* 4 v_main_~j~0_BEFORE_CALL_4))) (select (select |#memory_int| |v_main_~#B~0.base_BEFORE_CALL_4|) (+ (+ |v_main_~#B~0.offset_BEFORE_CALL_4| (* (+ v_main_~m~0_BEFORE_CALL_4 (* (- 1) v_main_~i~0_BEFORE_CALL_4) (- 1)) (* 4 v_main_~n~0_BEFORE_CALL_4))) (+ (* 4 v_main_~n~0_BEFORE_CALL_4) (* (- 4) v_main_~j~0_BEFORE_CALL_4) (- 4)))))) (and (<= 0 v_main_~m~0_BEFORE_CALL_4) (= |__VERIFIER_assert_#in~cond| 0) (<= 0 v_main_~j~0_BEFORE_CALL_4) (< v_main_~j~0_BEFORE_CALL_4 v_main_~n~0_BEFORE_CALL_4) (<= 0 v_main_~i~0_BEFORE_CALL_4) (not (= (select (select |#memory_int| |v_main_~#A~0.base_BEFORE_CALL_4|) (+ (+ |v_main_~#A~0.offset_BEFORE_CALL_4| (* v_main_~i~0_BEFORE_CALL_4 (* 4 v_main_~n~0_BEFORE_CALL_4))) (* 4 v_main_~j~0_BEFORE_CALL_4))) (select (select |#memory_int| |v_main_~#B~0.base_BEFORE_CALL_4|) (+ (+ |v_main_~#B~0.offset_BEFORE_CALL_4| (* (+ v_main_~m~0_BEFORE_CALL_4 (* (- 1) v_main_~i~0_BEFORE_CALL_4) (- 1)) (* 4 v_main_~n~0_BEFORE_CALL_4))) (+ (* 4 v_main_~n~0_BEFORE_CALL_4) (* (- 4) v_main_~j~0_BEFORE_CALL_4) (- 4))))))))) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...