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 ExplicitValueDomain --rcfgbuilder.size.of.a.code.block SequenceOfStatements --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/array-crafted/xor5.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 18:26:04,548 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 18:26:04,550 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 18:26:04,562 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 18:26:04,563 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 18:26:04,564 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 18:26:04,565 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 18:26:04,567 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 18:26:04,569 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 18:26:04,570 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 18:26:04,570 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 18:26:04,572 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 18:26:04,572 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 18:26:04,573 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 18:26:04,574 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 18:26:04,575 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 18:26:04,576 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 18:26:04,577 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 18:26:04,578 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 18:26:04,580 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 18:26:04,581 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 18:26:04,583 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 18:26:04,586 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 18:26:04,586 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 18:26:04,589 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 18:26:04,589 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 18:26:04,591 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 18:26:04,592 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 18:26:04,592 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 18:26:04,593 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 18:26:04,594 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 18:26:04,596 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 18:26:04,597 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 18:26:04,598 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 18:26:04,602 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 18:26:04,602 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 18:26:04,603 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 18:26:04,603 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 18:26:04,603 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 18:26:04,604 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 18:26:04,607 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 18:26:04,608 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 [2019-09-20 18:26:04,633 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 18:26:04,634 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 18:26:04,636 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 18:26:04,636 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 18:26:04,636 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 18:26:04,637 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 18:26:04,637 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 18:26:04,637 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 18:26:04,637 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 18:26:04,637 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 18:26:04,638 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 18:26:04,639 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 18:26:04,639 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 18:26:04,639 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 18:26:04,639 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 18:26:04,640 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 18:26:04,640 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 18:26:04,640 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 18:26:04,640 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 18:26:04,640 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 18:26:04,641 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 18:26:04,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 18:26:04,641 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 18:26:04,641 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 18:26:04,642 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 18:26:04,642 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 18:26:04,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 18:26:04,642 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 18:26:04,642 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements 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: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 18:26:04,706 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 18:26:04,719 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 18:26:04,725 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 18:26:04,727 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 18:26:04,727 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 18:26:04,728 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-crafted/xor5.i [2019-09-20 18:26:04,798 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0b138304/497cccc3d1cd41a8a2ca6cc3d5e16b04/FLAG4727a5322 [2019-09-20 18:26:05,246 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 18:26:05,247 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-crafted/xor5.i [2019-09-20 18:26:05,253 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0b138304/497cccc3d1cd41a8a2ca6cc3d5e16b04/FLAG4727a5322 [2019-09-20 18:26:05,669 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0b138304/497cccc3d1cd41a8a2ca6cc3d5e16b04 [2019-09-20 18:26:05,681 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 18:26:05,683 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 18:26:05,684 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 18:26:05,684 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 18:26:05,687 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 18:26:05,688 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:26:05" (1/1) ... [2019-09-20 18:26:05,691 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73613047 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:26:05, skipping insertion in model container [2019-09-20 18:26:05,691 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:26:05" (1/1) ... [2019-09-20 18:26:05,698 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 18:26:05,716 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 18:26:05,908 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:26:05,917 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 18:26:05,939 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:26:06,045 INFO L192 MainTranslator]: Completed translation [2019-09-20 18:26:06,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:26:06 WrapperNode [2019-09-20 18:26:06,046 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 18:26:06,046 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 18:26:06,047 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 18:26:06,047 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 18:26:06,057 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:26:06" (1/1) ... [2019-09-20 18:26:06,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:26:06" (1/1) ... [2019-09-20 18:26:06,065 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:26:06" (1/1) ... [2019-09-20 18:26:06,066 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:26:06" (1/1) ... [2019-09-20 18:26:06,076 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:26:06" (1/1) ... [2019-09-20 18:26:06,081 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:26:06" (1/1) ... [2019-09-20 18:26:06,083 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:26:06" (1/1) ... [2019-09-20 18:26:06,086 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 18:26:06,087 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 18:26:06,087 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 18:26:06,087 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 18:26:06,088 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:26:06" (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 [2019-09-20 18:26:06,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 18:26:06,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 18:26:06,159 INFO L138 BoogieDeclarations]: Found implementation of procedure xor [2019-09-20 18:26:06,160 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 18:26:06,160 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 18:26:06,160 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 18:26:06,160 INFO L130 BoogieDeclarations]: Found specification of procedure xor [2019-09-20 18:26:06,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 18:26:06,160 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 18:26:06,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 18:26:06,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 18:26:06,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 18:26:06,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 18:26:06,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 18:26:06,434 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 18:26:06,434 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-20 18:26:06,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 06:26:06 BoogieIcfgContainer [2019-09-20 18:26:06,436 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 18:26:06,437 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 18:26:06,437 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 18:26:06,437 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 18:26:06,439 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 06:26:06" (1/1) ... [2019-09-20 18:26:06,440 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 18:26:06,492 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 18:26:06,492 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 18:26:06,511 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 18:26:06,520 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 18:26:06,522 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 18:26:06,689 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 21 for LOIs [2019-09-20 18:26:08,924 WARN L191 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 100 [2019-09-20 18:26:09,807 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-20 18:26:10,169 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 71 [2019-09-20 18:26:10,971 WARN L191 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2019-09-20 18:26:13,702 WARN L191 SmtUtils]: Spent 2.69 s on a formula simplification that was a NOOP. DAG size: 125 [2019-09-20 18:26:13,832 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 18:26:13,833 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 18:26:13,835 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 117#(and (exists ((v_prenex_16 Int) (v_xor_~res~0_BEFORE_RETURN_5 Int)) (or (and (= main_~ret5~0 (mod v_prenex_16 4294967296)) (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ (* 4 ~N~0) |main_~#x~0.offset| (- 4)))) (<= (mod v_prenex_16 4294967296) 2147483647) (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (not (< (+ main_~i~2 1) ~N~0))) (and (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ (* 4 ~N~0) |main_~#x~0.offset| (- 4)))) (not (<= (mod v_xor_~res~0_BEFORE_RETURN_5 4294967296) 2147483647)) (<= main_~ret5~0 2147483647) (= main_~ret5~0 (+ (mod v_xor_~res~0_BEFORE_RETURN_5 4294967296) (- 4294967296))) (<= 0 (+ main_~ret5~0 2147483648)) (not (< (+ main_~i~2 1) ~N~0))))) (or (not (= main_~ret~0 main_~ret2~0)) (not (= main_~ret~0 main_~ret5~0)))) [2019-09-20 18:26:13,849 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 18:26:13,850 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 18:26:13,851 INFO L168 Benchmark]: Toolchain (without parser) took 8168.75 ms. Allocated memory was 132.1 MB in the beginning and 263.7 MB in the end (delta: 131.6 MB). Free memory was 88.1 MB in the beginning and 191.8 MB in the end (delta: -103.7 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. [2019-09-20 18:26:13,856 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 132.1 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 18:26:13,857 INFO L168 Benchmark]: CACSL2BoogieTranslator took 362.30 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 87.9 MB in the beginning and 176.6 MB in the end (delta: -88.7 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. [2019-09-20 18:26:13,862 INFO L168 Benchmark]: Boogie Preprocessor took 40.09 ms. Allocated memory is still 199.2 MB. Free memory was 176.0 MB in the beginning and 173.7 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-09-20 18:26:13,862 INFO L168 Benchmark]: RCFGBuilder took 349.60 ms. Allocated memory is still 199.2 MB. Free memory was 173.7 MB in the beginning and 157.0 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 7.1 GB. [2019-09-20 18:26:13,863 INFO L168 Benchmark]: Sifa took 7412.90 ms. Allocated memory was 199.2 MB in the beginning and 263.7 MB in the end (delta: 64.5 MB). Free memory was 157.0 MB in the beginning and 191.8 MB in the end (delta: -34.8 MB). Peak memory consumption was 29.6 MB. Max. memory is 7.1 GB. [2019-09-20 18:26:13,867 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 132.1 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 362.30 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 87.9 MB in the beginning and 176.6 MB in the end (delta: -88.7 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 40.09 ms. Allocated memory is still 199.2 MB. Free memory was 176.0 MB in the beginning and 173.7 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 349.60 ms. Allocated memory is still 199.2 MB. Free memory was 173.7 MB in the beginning and 157.0 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 7.1 GB. * Sifa took 7412.90 ms. Allocated memory was 199.2 MB in the beginning and 263.7 MB in the end (delta: 64.5 MB). Free memory was 157.0 MB in the beginning and 191.8 MB in the end (delta: -34.8 MB). Peak memory consumption was 29.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 7343, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 55, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 45, TOOLS_POST_TIME[ms]: 1835, TOOLS_POST_CALL_APPLICATIONS: 7, TOOLS_POST_CALL_TIME[ms]: 28, TOOLS_POST_RETURN_APPLICATIONS: 6, TOOLS_POST_RETURN_TIME[ms]: 19, TOOLS_QUANTIFIERELIM_APPLICATIONS: 56, TOOLS_QUANTIFIERELIM_TIME[ms]: 1848, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 721, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 64, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 18, DOMAIN_JOIN_TIME[ms]: 308, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME[ms]: 4985, DOMAIN_ISSUBSETEQ_APPLICATIONS: 9, DOMAIN_ISSUBSETEQ_TIME[ms]: 40, DOMAIN_ISBOTTOM_APPLICATIONS: 6, DOMAIN_ISBOTTOM_TIME[ms]: 21, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 6447, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 6447, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 9, CALL_SUMMARIZER_APPLICATIONS: 6, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 390, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 389, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 27, DAG_COMPRESSION_PROCESSED_NODES: 164, DAG_COMPRESSION_RETAINED_NODES: 82 - UnprovableResult [Line: 46]: 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 117#(and (exists ((v_prenex_16 Int) (v_xor_~res~0_BEFORE_RETURN_5 Int)) (or (and (= main_~ret5~0 (mod v_prenex_16 4294967296)) (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ (* 4 ~N~0) |main_~#x~0.offset| (- 4)))) (<= (mod v_prenex_16 4294967296) 2147483647) (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (not (< (+ main_~i~2 1) ~N~0))) (and (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ (* 4 ~N~0) |main_~#x~0.offset| (- 4)))) (not (<= (mod v_xor_~res~0_BEFORE_RETURN_5 4294967296) 2147483647)) (<= main_~ret5~0 2147483647) (= main_~ret5~0 (+ (mod v_xor_~res~0_BEFORE_RETURN_5 4294967296) (- 4294967296))) (<= 0 (+ main_~ret5~0 2147483648)) (not (< (+ main_~i~2 1) ~N~0))))) (or (not (= main_~ret~0 main_~ret2~0)) (not (= main_~ret~0 main_~ret5~0)))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...