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/test26-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 03:28:31,841 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 03:28:31,843 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 03:28:31,854 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 03:28:31,854 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 03:28:31,855 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 03:28:31,857 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 03:28:31,858 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 03:28:31,860 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 03:28:31,861 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 03:28:31,862 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 03:28:31,863 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 03:28:31,863 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 03:28:31,864 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 03:28:31,865 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 03:28:31,866 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 03:28:31,867 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 03:28:31,868 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 03:28:31,870 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 03:28:31,872 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 03:28:31,873 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 03:28:31,874 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 03:28:31,875 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 03:28:31,876 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 03:28:31,878 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-31 03:28:31,885 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 03:28:31,886 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 03:28:31,887 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 03:28:31,888 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 03:28:31,902 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 03:28:31,902 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 03:28:31,903 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 03:28:31,904 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 03:28:31,904 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 03:28:31,904 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 03:28:31,904 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 03:28:31,904 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 03:28:31,905 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 03:28:31,905 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 03:28:31,905 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 03:28:31,905 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 03:28:31,905 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 03:28:31,906 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 03:28:31,906 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 03:28:31,906 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 03:28:31,906 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 03:28:31,906 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 03:28:31,907 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 03:28:31,907 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 03:28:31,907 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 03:28:31,907 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 03:28:31,907 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 03:28:31,908 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 03:28:31,908 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 03:28:31,908 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 03:28:31,908 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 03:28:31,908 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 03:28:31,909 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 03:28:31,936 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 03:28:31,949 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 03:28:31,952 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 03:28:31,953 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 03:28:31,954 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 03:28:31,955 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test26-2.c [2019-08-31 03:28:32,013 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/086525fa5/32ba21608fa24b1c9d3fa90b7e8d07f4/FLAGec2165fe4 [2019-08-31 03:28:32,450 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 03:28:32,452 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test26-2.c [2019-08-31 03:28:32,458 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/086525fa5/32ba21608fa24b1c9d3fa90b7e8d07f4/FLAGec2165fe4 [2019-08-31 03:28:32,849 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/086525fa5/32ba21608fa24b1c9d3fa90b7e8d07f4 [2019-08-31 03:28:32,859 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 03:28:32,861 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 03:28:32,862 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 03:28:32,862 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 03:28:32,866 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 03:28:32,866 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:28:32" (1/1) ... [2019-08-31 03:28:32,869 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b185cb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:28:32, skipping insertion in model container [2019-08-31 03:28:32,869 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:28:32" (1/1) ... [2019-08-31 03:28:32,877 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 03:28:32,891 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 03:28:33,044 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 03:28:33,056 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 03:28:33,072 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 03:28:33,090 INFO L192 MainTranslator]: Completed translation [2019-08-31 03:28:33,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:28:33 WrapperNode [2019-08-31 03:28:33,090 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 03:28:33,091 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 03:28:33,092 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 03:28:33,092 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 03:28:33,190 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:28:33" (1/1) ... [2019-08-31 03:28:33,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:28:33" (1/1) ... [2019-08-31 03:28:33,198 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:28:33" (1/1) ... [2019-08-31 03:28:33,200 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:28:33" (1/1) ... [2019-08-31 03:28:33,217 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:28:33" (1/1) ... [2019-08-31 03:28:33,219 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:28:33" (1/1) ... [2019-08-31 03:28:33,220 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:28:33" (1/1) ... [2019-08-31 03:28:33,222 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 03:28:33,223 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 03:28:33,223 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 03:28:33,223 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 03:28:33,224 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:28:33" (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 03:28:33,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 03:28:33,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 03:28:33,286 INFO L138 BoogieDeclarations]: Found implementation of procedure assign [2019-08-31 03:28:33,287 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 03:28:33,287 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 03:28:33,287 INFO L130 BoogieDeclarations]: Found specification of procedure assign [2019-08-31 03:28:33,287 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-31 03:28:33,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-31 03:28:33,287 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 03:28:33,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 03:28:33,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-31 03:28:33,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-08-31 03:28:33,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 03:28:33,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-31 03:28:33,484 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 03:28:33,484 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-31 03:28:33,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:28:33 BoogieIcfgContainer [2019-08-31 03:28:33,487 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 03:28:33,487 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 03:28:33,488 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 03:28:33,488 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 03:28:33,489 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:28:33" (1/1) ... [2019-08-31 03:28:33,561 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 03:28:33,562 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 03:28:33,571 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 03:28:33,578 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 03:28:33,580 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 03:28:33,662 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_5|], 3=[|v_#valid_6|]} [2019-08-31 03:28:33,691 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 03:28:33,691 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:28:33,757 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:28:33,762 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:28:33,772 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2019-08-31 03:28:33,773 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 03:28:33,843 INFO L567 ElimStorePlain]: treesize reduction 4, result has 91.7 percent of original size [2019-08-31 03:28:33,843 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:28:33,844 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:56, output treesize:44 [2019-08-31 03:28:33,861 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 37 for LOIs [2019-08-31 03:28:33,917 INFO L341 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2019-08-31 03:28:33,918 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 15 treesize of output 15 [2019-08-31 03:28:33,921 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:28:33,934 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:28:33,935 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:28:33,935 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:28, output treesize:24 [2019-08-31 03:28:33,955 INFO L183 IcfgInterpreter]: Interpretation finished [2019-08-31 03:28:33,957 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-31 03:28:33,962 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 27#(and (= |~#global~0.offset| 0) (< |~#global~0.base| |#StackHeapBarrier|) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= 1 (select |#valid| |~#global~0.base|)) (= (select (select |old(#memory_int)| |~#global~0.base|) |~#global~0.offset|) 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (not (= (select (select |#memory_int| |~#global~0.base|) (+ |~#global~0.offset| 4)) (select (select |#memory_int| main_~pd~0.base) main_~pd~0.offset))) (= 1 (select (select |old(#memory_int)| |~#global~0.base|) (+ |~#global~0.offset| 4))) (= (select |#length| |~#global~0.base|) 8) (<= 0 main_~pd~0.offset) (= |~#global~0.base| main_~pd~0.base) (<= main_~pd~0.offset 0) (= 0 (select |#valid| 0)) (= |#NULL.offset| 0) (<= 0 |~#global~0.offset|) (= |~#global~0.offset| main_~pd~0.offset) (<= |~#global~0.offset| 0)) [2019-08-31 03:28:33,978 INFO L103 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-08-31 03:28:33,978 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-08-31 03:28:33,980 INFO L168 Benchmark]: Toolchain (without parser) took 1119.19 ms. Allocated memory was 134.2 MB in the beginning and 199.8 MB in the end (delta: 65.5 MB). Free memory was 90.2 MB in the beginning and 135.8 MB in the end (delta: -45.6 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. [2019-08-31 03:28:33,981 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 134.2 MB. Free memory was 108.6 MB in the beginning and 108.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-31 03:28:33,982 INFO L168 Benchmark]: CACSL2BoogieTranslator took 228.95 ms. Allocated memory is still 134.2 MB. Free memory was 90.0 MB in the beginning and 80.4 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-08-31 03:28:33,983 INFO L168 Benchmark]: Boogie Preprocessor took 131.02 ms. Allocated memory was 134.2 MB in the beginning and 199.8 MB in the end (delta: 65.5 MB). Free memory was 80.4 MB in the beginning and 175.5 MB in the end (delta: -95.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-08-31 03:28:33,984 INFO L168 Benchmark]: RCFGBuilder took 264.21 ms. Allocated memory is still 199.8 MB. Free memory was 175.5 MB in the beginning and 163.1 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB. [2019-08-31 03:28:33,985 INFO L168 Benchmark]: Sifa took 491.02 ms. Allocated memory is still 199.8 MB. Free memory was 163.1 MB in the beginning and 135.8 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 7.1 GB. [2019-08-31 03:28:33,989 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 134.2 MB. Free memory was 108.6 MB in the beginning and 108.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 228.95 ms. Allocated memory is still 134.2 MB. Free memory was 90.0 MB in the beginning and 80.4 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 131.02 ms. Allocated memory was 134.2 MB in the beginning and 199.8 MB in the end (delta: 65.5 MB). Free memory was 80.4 MB in the beginning and 175.5 MB in the end (delta: -95.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 264.21 ms. Allocated memory is still 199.8 MB. Free memory was 175.5 MB in the beginning and 163.1 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB. * Sifa took 491.02 ms. Allocated memory is still 199.8 MB. Free memory was 163.1 MB in the beginning and 135.8 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions 0.4s OVERALL_TIME, 2 ICFG_INTERPRETER_ENTERED_PROCEDURES, 11 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 0 DAG_INTERPRETER_EARLY_EXITS, 8 TOOLS_POST_APPLICATIONS, 0.3s TOOLS_POST_TIME, 3 TOOLS_POST_CALL_APPLICATIONS, 0.0s TOOLS_POST_CALL_TIME, 2 TOOLS_POST_RETURN_APPLICATIONS, 0.0s TOOLS_POST_RETURN_TIME, 0.3s TOOLS_QUANTIFIERELIM_TIME, 0.0s FLUID_QUERY_TIME, 11 FLUID_QUERIES, 0 FLUID_YES_ANSWERS, 3 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, 2 CALL_SUMMARIZER_APPLICATIONS, 2 CALL_SUMMARIZER_CACHE_MISSES, 0.3s CALL_SUMMARIZER_OVERALL_TIME, 0.3s 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, 37 DAG_COMPRESSION_PROCESSED_NODES, 24 DAG_COMPRESSION_RETAINED_NODES - UnprovableResult [Line: 24]: 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 27#(and (= |~#global~0.offset| 0) (< |~#global~0.base| |#StackHeapBarrier|) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= 1 (select |#valid| |~#global~0.base|)) (= (select (select |old(#memory_int)| |~#global~0.base|) |~#global~0.offset|) 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (not (= (select (select |#memory_int| |~#global~0.base|) (+ |~#global~0.offset| 4)) (select (select |#memory_int| main_~pd~0.base) main_~pd~0.offset))) (= 1 (select (select |old(#memory_int)| |~#global~0.base|) (+ |~#global~0.offset| 4))) (= (select |#length| |~#global~0.base|) 8) (<= 0 main_~pd~0.offset) (= |~#global~0.base| main_~pd~0.base) (<= main_~pd~0.offset 0) (= 0 (select |#valid| 0)) (= |#NULL.offset| 0) (<= 0 |~#global~0.offset|) (= |~#global~0.offset| main_~pd~0.offset) (<= |~#global~0.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...