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/test12.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 03:27:27,721 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 03:27:27,724 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 03:27:27,736 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 03:27:27,737 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 03:27:27,738 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 03:27:27,739 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 03:27:27,741 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 03:27:27,743 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 03:27:27,744 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 03:27:27,745 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 03:27:27,746 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 03:27:27,746 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 03:27:27,747 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 03:27:27,748 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 03:27:27,749 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 03:27:27,750 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 03:27:27,751 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 03:27:27,753 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 03:27:27,755 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 03:27:27,756 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 03:27:27,757 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 03:27:27,758 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 03:27:27,759 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 03:27:27,761 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-31 03:27:27,769 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 03:27:27,770 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 03:27:27,771 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 03:27:27,772 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 03:27:27,796 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 03:27:27,796 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 03:27:27,800 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 03:27:27,800 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 03:27:27,800 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 03:27:27,800 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 03:27:27,801 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 03:27:27,801 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 03:27:27,801 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 03:27:27,801 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 03:27:27,801 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 03:27:27,802 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 03:27:27,802 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 03:27:27,802 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 03:27:27,803 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 03:27:27,803 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 03:27:27,804 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 03:27:27,804 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 03:27:27,804 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 03:27:27,804 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 03:27:27,805 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 03:27:27,805 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 03:27:27,805 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 03:27:27,805 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 03:27:27,805 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 03:27:27,806 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 03:27:27,806 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 03:27:27,806 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 03:27:27,806 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 03:27:27,861 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 03:27:27,881 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 03:27:27,887 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 03:27:27,889 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 03:27:27,890 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 03:27:27,891 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test12.c [2019-08-31 03:27:27,968 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e76a30c6/4c89659eb15c4f8889b2210b0c06ef3f/FLAG14f1330af [2019-08-31 03:27:28,429 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 03:27:28,430 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test12.c [2019-08-31 03:27:28,436 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e76a30c6/4c89659eb15c4f8889b2210b0c06ef3f/FLAG14f1330af [2019-08-31 03:27:28,807 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e76a30c6/4c89659eb15c4f8889b2210b0c06ef3f [2019-08-31 03:27:28,824 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 03:27:28,826 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 03:27:28,829 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 03:27:28,829 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 03:27:28,833 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 03:27:28,834 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:27:28" (1/1) ... [2019-08-31 03:27:28,837 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1284d24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:27:28, skipping insertion in model container [2019-08-31 03:27:28,838 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:27:28" (1/1) ... [2019-08-31 03:27:28,845 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 03:27:28,863 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 03:27:29,072 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 03:27:29,083 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 03:27:29,101 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 03:27:29,138 INFO L192 MainTranslator]: Completed translation [2019-08-31 03:27:29,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:27:29 WrapperNode [2019-08-31 03:27:29,139 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 03:27:29,140 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 03:27:29,140 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 03:27:29,141 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 03:27:29,258 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:27:29" (1/1) ... [2019-08-31 03:27:29,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:27:29" (1/1) ... [2019-08-31 03:27:29,266 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:27:29" (1/1) ... [2019-08-31 03:27:29,267 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:27:29" (1/1) ... [2019-08-31 03:27:29,273 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:27:29" (1/1) ... [2019-08-31 03:27:29,276 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:27:29" (1/1) ... [2019-08-31 03:27:29,277 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:27:29" (1/1) ... [2019-08-31 03:27:29,279 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 03:27:29,280 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 03:27:29,280 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 03:27:29,280 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 03:27:29,281 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:27:29" (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 03:27:29,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 03:27:29,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 03:27:29,349 INFO L138 BoogieDeclarations]: Found implementation of procedure equal [2019-08-31 03:27:29,349 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 03:27:29,349 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 03:27:29,350 INFO L130 BoogieDeclarations]: Found specification of procedure equal [2019-08-31 03:27:29,350 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 03:27:29,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 03:27:29,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-31 03:27:29,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-08-31 03:27:29,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 03:27:29,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-31 03:27:29,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-31 03:27:29,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-31 03:27:29,583 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 03:27:29,583 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-31 03:27:29,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:27:29 BoogieIcfgContainer [2019-08-31 03:27:29,585 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 03:27:29,592 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 03:27:29,592 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 03:27:29,593 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 03:27:29,594 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:27:29" (1/1) ... [2019-08-31 03:27:29,635 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 03:27:29,636 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 03:27:29,642 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 03:27:29,650 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 03:27:29,651 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 03:27:29,741 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_6|], 10=[|v_#valid_7|]} [2019-08-31 03:27:29,761 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:27:29,773 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2019-08-31 03:27:29,774 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:27:29,871 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:27:29,877 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:27:29,887 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:27:29,930 INFO L341 Elim1Store]: treesize reduction 14, result has 50.0 percent of original size [2019-08-31 03:27:29,931 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 34 [2019-08-31 03:27:29,933 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 03:27:30,042 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2019-08-31 03:27:30,043 INFO L567 ElimStorePlain]: treesize reduction 8, result has 88.6 percent of original size [2019-08-31 03:27:30,044 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:27:30,045 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:81, output treesize:62 [2019-08-31 03:27:30,080 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 46 for LOIs [2019-08-31 03:27:30,088 INFO L199 IcfgInterpreter]: Interpreting procedure equal with input of size 54 for LOIs [2019-08-31 03:27:30,119 INFO L183 IcfgInterpreter]: Interpretation finished [2019-08-31 03:27:30,119 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-31 03:27:30,122 INFO L193 IcfgInterpreter]: Reachable states at location equalErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 19#(and (= equal_~b.offset |equal_#in~b.offset|) (= |~#b~0.base| |equal_#in~b.base|) (= |~#a~0.base| |equal_#in~a.base|) (<= |equal_#in~b.offset| 0) (= 0 |#NULL.base|) (<= equal_~b.offset 0) (< |~#b~0.base| |#StackHeapBarrier|) (<= 0 |#NULL.base|) (= 4 (select |#length| |~#a~0.base|)) (= (select |#valid| |~#b~0.base|) 1) (<= 0 |#NULL.offset|) (= |equal_#in~a.offset| |~#a~0.offset|) (<= 0 |~#b~0.offset|) (= 0 |~#b~0.offset|) (<= 0 equal_~b.offset) (= 0 (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|)) (<= 0 |equal_#in~b.offset|) (= 0 (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|)) (<= |~#a~0.offset| 0) (= |equal_#in~a.offset| equal_~a.offset) (< |~#a~0.base| |#StackHeapBarrier|) (<= |~#b~0.offset| 0) (= equal_~b.base |equal_#in~b.base|) (= 4 (select |#length| |~#b~0.base|)) (or (not (= equal_~a.base equal_~b.base)) (not (= equal_~b.offset equal_~a.offset))) (not (= |~#b~0.base| |~#a~0.base|)) (= 1 (select |#valid| |~#a~0.base|)) (<= |#NULL.base| 0) (<= |#NULL.offset| 0) (<= 0 |~#a~0.offset|) (= 0 |~#a~0.offset|) (<= 0 equal_~a.offset) (<= equal_~a.offset 0) (= |equal_#in~b.offset| |~#b~0.offset|) (= 0 (select |#valid| 0)) (<= |equal_#in~a.offset| 0) (= equal_~a.base |equal_#in~a.base|) (<= 0 |equal_#in~a.offset|) (= |#NULL.offset| 0)) [2019-08-31 03:27:30,145 INFO L103 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-08-31 03:27:30,146 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-08-31 03:27:30,148 INFO L168 Benchmark]: Toolchain (without parser) took 1322.03 ms. Allocated memory was 130.5 MB in the beginning and 197.7 MB in the end (delta: 67.1 MB). Free memory was 86.9 MB in the beginning and 127.8 MB in the end (delta: -40.9 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. [2019-08-31 03:27:30,154 INFO L168 Benchmark]: CDTParser took 0.52 ms. Allocated memory is still 130.5 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-31 03:27:30,156 INFO L168 Benchmark]: CACSL2BoogieTranslator took 310.80 ms. Allocated memory is still 130.5 MB. Free memory was 86.5 MB in the beginning and 77.3 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-08-31 03:27:30,157 INFO L168 Benchmark]: Boogie Preprocessor took 139.19 ms. Allocated memory was 130.5 MB in the beginning and 197.7 MB in the end (delta: 67.1 MB). Free memory was 77.3 MB in the beginning and 173.5 MB in the end (delta: -96.2 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. [2019-08-31 03:27:30,164 INFO L168 Benchmark]: RCFGBuilder took 305.02 ms. Allocated memory is still 197.7 MB. Free memory was 173.5 MB in the beginning and 160.9 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. [2019-08-31 03:27:30,167 INFO L168 Benchmark]: Sifa took 554.22 ms. Allocated memory is still 197.7 MB. Free memory was 160.9 MB in the beginning and 127.8 MB in the end (delta: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 7.1 GB. [2019-08-31 03:27:30,177 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52 ms. Allocated memory is still 130.5 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 310.80 ms. Allocated memory is still 130.5 MB. Free memory was 86.5 MB in the beginning and 77.3 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 139.19 ms. Allocated memory was 130.5 MB in the beginning and 197.7 MB in the end (delta: 67.1 MB). Free memory was 77.3 MB in the beginning and 173.5 MB in the end (delta: -96.2 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 305.02 ms. Allocated memory is still 197.7 MB. Free memory was 173.5 MB in the beginning and 160.9 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. * Sifa took 554.22 ms. Allocated memory is still 197.7 MB. Free memory was 160.9 MB in the beginning and 127.8 MB in the end (delta: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions 0.5s OVERALL_TIME, 3 ICFG_INTERPRETER_ENTERED_PROCEDURES, 9 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 0 DAG_INTERPRETER_EARLY_EXITS, 5 TOOLS_POST_APPLICATIONS, 0.3s TOOLS_POST_TIME, 3 TOOLS_POST_CALL_APPLICATIONS, 0.0s TOOLS_POST_CALL_TIME, 1 TOOLS_POST_RETURN_APPLICATIONS, 0.0s TOOLS_POST_RETURN_TIME, 0.4s TOOLS_QUANTIFIERELIM_TIME, 0.0s FLUID_QUERY_TIME, 9 FLUID_QUERIES, 0 FLUID_YES_ANSWERS, 2 DOMAIN_JOIN_APPLICATIONS, 0.0s DOMAIN_JOIN_TIME, 0 DOMAIN_ALPHA_APPLICATIONS, 0.0s DOMAIN_ALPHA_TIME, 0 DOMAIN_WIDEN_APPLICATIONS, 0.0s DOMAIN_WIDEN_TIME, 0 DOMAIN_ISSUBSETEQ_APPLICATIONS, 0.0s DOMAIN_ISSUBSETEQ_TIME, 0 DOMAIN_ISBOTTOM_APPLICATIONS, 0.0s DOMAIN_ISBOTTOM_TIME, 0 LOOP_SUMMARIZER_APPLICATIONS, 0 LOOP_SUMMARIZER_CACHE_MISSES, 0.0s LOOP_SUMMARIZER_OVERALL_TIME, 0.0s LOOP_SUMMARIZER_NEW_COMPUTATION_TIME, 0 LOOP_SUMMARIZER_FIXPOINT_ITERATIONS, 1 CALL_SUMMARIZER_APPLICATIONS, 1 CALL_SUMMARIZER_CACHE_MISSES, 0.4s CALL_SUMMARIZER_OVERALL_TIME, 0.4s 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, 35 DAG_COMPRESSION_PROCESSED_NODES, 27 DAG_COMPRESSION_RETAINED_NODES - UnprovableResult [Line: 10]: 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 19#(and (= equal_~b.offset |equal_#in~b.offset|) (= |~#b~0.base| |equal_#in~b.base|) (= |~#a~0.base| |equal_#in~a.base|) (<= |equal_#in~b.offset| 0) (= 0 |#NULL.base|) (<= equal_~b.offset 0) (< |~#b~0.base| |#StackHeapBarrier|) (<= 0 |#NULL.base|) (= 4 (select |#length| |~#a~0.base|)) (= (select |#valid| |~#b~0.base|) 1) (<= 0 |#NULL.offset|) (= |equal_#in~a.offset| |~#a~0.offset|) (<= 0 |~#b~0.offset|) (= 0 |~#b~0.offset|) (<= 0 equal_~b.offset) (= 0 (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|)) (<= 0 |equal_#in~b.offset|) (= 0 (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|)) (<= |~#a~0.offset| 0) (= |equal_#in~a.offset| equal_~a.offset) (< |~#a~0.base| |#StackHeapBarrier|) (<= |~#b~0.offset| 0) (= equal_~b.base |equal_#in~b.base|) (= 4 (select |#length| |~#b~0.base|)) (or (not (= equal_~a.base equal_~b.base)) (not (= equal_~b.offset equal_~a.offset))) (not (= |~#b~0.base| |~#a~0.base|)) (= 1 (select |#valid| |~#a~0.base|)) (<= |#NULL.base| 0) (<= |#NULL.offset| 0) (<= 0 |~#a~0.offset|) (= 0 |~#a~0.offset|) (<= 0 equal_~a.offset) (<= equal_~a.offset 0) (= |equal_#in~b.offset| |~#b~0.offset|) (= 0 (select |#valid| 0)) (<= |equal_#in~a.offset| 0) (= equal_~a.base |equal_#in~a.base|) (<= 0 |equal_#in~a.offset|) (= |#NULL.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...