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/reducercommutativity/sep.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-17 21:13:36,209 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-17 21:13:36,211 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-17 21:13:36,224 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-17 21:13:36,224 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-17 21:13:36,226 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-17 21:13:36,227 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-17 21:13:36,229 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-17 21:13:36,231 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-17 21:13:36,232 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-17 21:13:36,233 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-17 21:13:36,234 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-17 21:13:36,234 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-17 21:13:36,235 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-17 21:13:36,236 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-17 21:13:36,237 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-17 21:13:36,238 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-17 21:13:36,239 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-17 21:13:36,241 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-17 21:13:36,243 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-17 21:13:36,244 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-17 21:13:36,245 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-17 21:13:36,246 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-17 21:13:36,247 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-17 21:13:36,249 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-17 21:13:36,257 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-17 21:13:36,258 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-17 21:13:36,259 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-17 21:13:36,259 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 [2019-08-17 21:13:36,274 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-17 21:13:36,274 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-17 21:13:36,275 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-17 21:13:36,275 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-17 21:13:36,276 INFO L138 SettingsManager]: * Use SBE=true [2019-08-17 21:13:36,276 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-17 21:13:36,276 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-17 21:13:36,276 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-17 21:13:36,277 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-17 21:13:36,277 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-17 21:13:36,277 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-17 21:13:36,277 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-17 21:13:36,277 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-17 21:13:36,278 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-17 21:13:36,278 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-17 21:13:36,278 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-17 21:13:36,278 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-17 21:13:36,278 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-17 21:13:36,279 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-17 21:13:36,279 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-17 21:13:36,279 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-17 21:13:36,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-17 21:13:36,280 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-17 21:13:36,280 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-17 21:13:36,280 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-17 21:13:36,280 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-17 21:13:36,280 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-17 21:13:36,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-17 21:13:36,281 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-17 21:13:36,309 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-17 21:13:36,324 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-17 21:13:36,330 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-17 21:13:36,331 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-17 21:13:36,332 INFO L275 PluginConnector]: CDTParser initialized [2019-08-17 21:13:36,333 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/sep.i [2019-08-17 21:13:36,399 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae17d1ab4/43c8e42ae5754451a6ffc6085bc42581/FLAG8860d135a [2019-08-17 21:13:36,846 INFO L306 CDTParser]: Found 1 translation units. [2019-08-17 21:13:36,847 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/reducercommutativity/sep.i [2019-08-17 21:13:36,854 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae17d1ab4/43c8e42ae5754451a6ffc6085bc42581/FLAG8860d135a [2019-08-17 21:13:37,231 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae17d1ab4/43c8e42ae5754451a6ffc6085bc42581 [2019-08-17 21:13:37,240 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-17 21:13:37,242 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-17 21:13:37,243 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-17 21:13:37,243 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-17 21:13:37,247 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-17 21:13:37,248 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.08 09:13:37" (1/1) ... [2019-08-17 21:13:37,251 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4731e3d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:37, skipping insertion in model container [2019-08-17 21:13:37,252 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.08 09:13:37" (1/1) ... [2019-08-17 21:13:37,259 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-17 21:13:37,281 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-17 21:13:37,500 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-17 21:13:37,511 INFO L188 MainTranslator]: Completed pre-run [2019-08-17 21:13:37,534 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-17 21:13:37,549 INFO L192 MainTranslator]: Completed translation [2019-08-17 21:13:37,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:37 WrapperNode [2019-08-17 21:13:37,550 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-17 21:13:37,551 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-17 21:13:37,551 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-17 21:13:37,551 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-17 21:13:37,652 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:37" (1/1) ... [2019-08-17 21:13:37,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:37" (1/1) ... [2019-08-17 21:13:37,663 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:37" (1/1) ... [2019-08-17 21:13:37,665 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:37" (1/1) ... [2019-08-17 21:13:37,685 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:37" (1/1) ... [2019-08-17 21:13:37,689 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:37" (1/1) ... [2019-08-17 21:13:37,691 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:37" (1/1) ... [2019-08-17 21:13:37,693 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-17 21:13:37,694 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-17 21:13:37,694 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-17 21:13:37,694 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-17 21:13:37,695 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:37" (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 [2019-08-17 21:13:37,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-17 21:13:37,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-17 21:13:37,758 INFO L138 BoogieDeclarations]: Found implementation of procedure sep [2019-08-17 21:13:37,758 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-17 21:13:37,758 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-17 21:13:37,758 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-17 21:13:37,758 INFO L130 BoogieDeclarations]: Found specification of procedure sep [2019-08-17 21:13:37,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-17 21:13:37,759 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-17 21:13:37,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-17 21:13:37,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-17 21:13:37,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-17 21:13:37,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-17 21:13:37,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-17 21:13:38,095 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-17 21:13:38,096 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-17 21:13:38,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.08 09:13:38 BoogieIcfgContainer [2019-08-17 21:13:38,097 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-17 21:13:38,098 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-17 21:13:38,098 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-17 21:13:38,098 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-17 21:13:38,099 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.08 09:13:38" (1/1) ... [2019-08-17 21:13:38,111 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-17 21:13:38,114 INFO L155 IcfgInterpreter]: Building call graph [2019-08-17 21:13:38,120 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-17 21:13:38,128 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-17 21:13:38,130 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-17 21:13:38,214 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 [2019-08-17 21:13:38,215 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:38,236 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:13:38,236 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:38,237 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:15 [2019-08-17 21:13:38,248 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 21 [2019-08-17 21:13:38,428 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:38,555 INFO L341 Elim1Store]: treesize reduction 40, result has 23.1 percent of original size [2019-08-17 21:13:38,556 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 24 [2019-08-17 21:13:38,557 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:38,566 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:13:38,566 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:38,567 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:26 [2019-08-17 21:13:38,577 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 16 treesize of output 12 [2019-08-17 21:13:38,578 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:38,590 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:13:38,590 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:38,591 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:19 [2019-08-17 21:13:38,600 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-17 21:13:38,600 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-17 21:13:38,604 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 74#(and (or (not (= main_~ret~1 main_~ret2~0)) (not (= main_~ret~1 main_~ret5~0))) (exists ((v_prenex_15 Int) (v_sep_~ret~0_BEFORE_RETURN_3 Int)) (or (and (not (<= (mod v_sep_~ret~0_BEFORE_RETURN_3 4294967296) 2147483647)) (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ (* 4 ~N~0) |main_~#x~0.offset| (- 4)))) (<= main_~ret5~0 2147483647) (= main_~ret5~0 (+ (mod v_sep_~ret~0_BEFORE_RETURN_3 4294967296) (- 4294967296))) (<= 0 (+ main_~ret5~0 2147483648)) (not (< (+ main_~i~1 1) ~N~0))) (and (= (mod v_prenex_15 4294967296) main_~ret5~0) (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ (* 4 ~N~0) |main_~#x~0.offset| (- 4)))) (<= (mod v_prenex_15 4294967296) 2147483647) (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (not (< (+ main_~i~1 1) ~N~0)))))) [2019-08-17 21:13:38,619 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-17 21:13:38,619 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-17 21:13:38,622 INFO L168 Benchmark]: Toolchain (without parser) took 1379.40 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 88.3 MB in the beginning and 122.3 MB in the end (delta: -34.0 MB). Peak memory consumption was 33.1 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:38,624 INFO L168 Benchmark]: CDTParser took 0.38 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. [2019-08-17 21:13:38,626 INFO L168 Benchmark]: CACSL2BoogieTranslator took 307.34 ms. Allocated memory is still 132.1 MB. Free memory was 88.1 MB in the beginning and 77.8 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:38,628 INFO L168 Benchmark]: Boogie Preprocessor took 142.93 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 77.8 MB in the beginning and 174.9 MB in the end (delta: -97.1 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:38,630 INFO L168 Benchmark]: RCFGBuilder took 403.76 ms. Allocated memory is still 199.2 MB. Free memory was 174.9 MB in the beginning and 158.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:38,631 INFO L168 Benchmark]: Symbolic Interpretation took 521.71 ms. Allocated memory is still 199.2 MB. Free memory was 158.8 MB in the beginning and 122.3 MB in the end (delta: 36.5 MB). Peak memory consumption was 36.5 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:38,640 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 42]: 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 74#(and (or (not (= main_~ret~1 main_~ret2~0)) (not (= main_~ret~1 main_~ret5~0))) (exists ((v_prenex_15 Int) (v_sep_~ret~0_BEFORE_RETURN_3 Int)) (or (and (not (<= (mod v_sep_~ret~0_BEFORE_RETURN_3 4294967296) 2147483647)) (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ (* 4 ~N~0) |main_~#x~0.offset| (- 4)))) (<= main_~ret5~0 2147483647) (= main_~ret5~0 (+ (mod v_sep_~ret~0_BEFORE_RETURN_3 4294967296) (- 4294967296))) (<= 0 (+ main_~ret5~0 2147483648)) (not (< (+ main_~i~1 1) ~N~0))) (and (= (mod v_prenex_15 4294967296) main_~ret5~0) (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ (* 4 ~N~0) |main_~#x~0.offset| (- 4)))) (<= (mod v_prenex_15 4294967296) 2147483647) (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (not (< (+ main_~i~1 1) ~N~0)))))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 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 307.34 ms. Allocated memory is still 132.1 MB. Free memory was 88.1 MB in the beginning and 77.8 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 142.93 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 77.8 MB in the beginning and 174.9 MB in the end (delta: -97.1 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 403.76 ms. Allocated memory is still 199.2 MB. Free memory was 174.9 MB in the beginning and 158.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 521.71 ms. Allocated memory is still 199.2 MB. Free memory was 158.8 MB in the beginning and 122.3 MB in the end (delta: 36.5 MB). Peak memory consumption was 36.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...