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 LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-regression/test30-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 08:28:37,080 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 08:28:37,083 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 08:28:37,099 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 08:28:37,099 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 08:28:37,101 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 08:28:37,103 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 08:28:37,112 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 08:28:37,117 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 08:28:37,120 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 08:28:37,122 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 08:28:37,124 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 08:28:37,124 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 08:28:37,126 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 08:28:37,128 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 08:28:37,129 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 08:28:37,130 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 08:28:37,132 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 08:28:37,134 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 08:28:37,139 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 08:28:37,143 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 08:28:37,145 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 08:28:37,148 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 08:28:37,149 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 08:28:37,151 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 08:28:37,151 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 08:28:37,151 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 08:28:37,153 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 08:28:37,154 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 08:28:37,156 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 08:28:37,156 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 08:28:37,157 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 08:28:37,158 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 08:28:37,158 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 08:28:37,160 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 08:28:37,161 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 08:28:37,161 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 08:28:37,161 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 08:28:37,162 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 08:28:37,162 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 08:28:37,163 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 08:28:37,165 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 [2019-09-21 08:28:37,201 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 08:28:37,201 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 08:28:37,202 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 08:28:37,203 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 08:28:37,203 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 08:28:37,203 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 08:28:37,203 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 08:28:37,204 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 08:28:37,204 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 08:28:37,204 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 08:28:37,204 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 08:28:37,204 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 08:28:37,205 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 08:28:37,205 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 08:28:37,205 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 08:28:37,205 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 08:28:37,205 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 08:28:37,206 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 08:28:37,206 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 08:28:37,206 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 08:28:37,206 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 08:28:37,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 08:28:37,207 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 08:28:37,207 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 08:28:37,207 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 08:28:37,209 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 08:28:37,209 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 08:28:37,210 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 08:28:37,210 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 -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-21 08:28:37,259 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 08:28:37,273 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 08:28:37,277 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 08:28:37,278 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 08:28:37,278 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 08:28:37,279 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test30-1.c [2019-09-21 08:28:37,332 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/874b4598e/61d0dd844f25439c8508c2b644efc697/FLAGaf1b11824 [2019-09-21 08:28:37,716 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 08:28:37,717 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test30-1.c [2019-09-21 08:28:37,723 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/874b4598e/61d0dd844f25439c8508c2b644efc697/FLAGaf1b11824 [2019-09-21 08:28:38,148 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/874b4598e/61d0dd844f25439c8508c2b644efc697 [2019-09-21 08:28:38,157 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 08:28:38,158 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 08:28:38,159 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 08:28:38,160 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 08:28:38,163 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 08:28:38,164 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:28:38" (1/1) ... [2019-09-21 08:28:38,167 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6786a740 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:28:38, skipping insertion in model container [2019-09-21 08:28:38,167 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:28:38" (1/1) ... [2019-09-21 08:28:38,175 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 08:28:38,192 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 08:28:38,379 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:28:38,394 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 08:28:38,413 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:28:38,522 INFO L192 MainTranslator]: Completed translation [2019-09-21 08:28:38,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:28:38 WrapperNode [2019-09-21 08:28:38,523 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 08:28:38,524 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 08:28:38,524 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 08:28:38,524 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 08:28:38,537 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:28:38" (1/1) ... [2019-09-21 08:28:38,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:28:38" (1/1) ... [2019-09-21 08:28:38,548 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:28:38" (1/1) ... [2019-09-21 08:28:38,549 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:28:38" (1/1) ... [2019-09-21 08:28:38,565 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:28:38" (1/1) ... [2019-09-21 08:28:38,567 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:28:38" (1/1) ... [2019-09-21 08:28:38,571 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:28:38" (1/1) ... [2019-09-21 08:28:38,576 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 08:28:38,577 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 08:28:38,577 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 08:28:38,577 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 08:28:38,578 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:28:38" (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 [2019-09-21 08:28:38,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 08:28:38,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 08:28:38,647 INFO L138 BoogieDeclarations]: Found implementation of procedure assign [2019-09-21 08:28:38,647 INFO L138 BoogieDeclarations]: Found implementation of procedure assign2 [2019-09-21 08:28:38,647 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 08:28:38,647 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 08:28:38,648 INFO L130 BoogieDeclarations]: Found specification of procedure assign [2019-09-21 08:28:38,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 08:28:38,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 08:28:38,649 INFO L130 BoogieDeclarations]: Found specification of procedure assign2 [2019-09-21 08:28:38,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-21 08:28:38,650 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 08:28:38,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 08:28:38,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-21 08:28:38,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-21 08:28:38,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-21 08:28:38,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 08:28:38,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-21 08:28:38,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 08:28:39,053 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 08:28:39,054 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-21 08:28:39,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:28:39 BoogieIcfgContainer [2019-09-21 08:28:39,055 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 08:28:39,055 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 08:28:39,056 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 08:28:39,056 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 08:28:39,058 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:28:39" (1/1) ... [2019-09-21 08:28:39,058 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_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 08:28:39,087 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 08:28:39,088 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 08:28:39,097 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 08:28:39,107 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 08:28:39,108 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 08:28:39,442 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 70 for LOIs [2019-09-21 08:28:39,754 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 08:28:39,754 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 08:28:39,757 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 25#(and (= 0 |#NULL.base|) (= 1 (select |#valid| |~#global~0.base|)) (< |~#b~0.base| |#StackHeapBarrier|) (= 4 (select |#length| |~#a~0.base|)) (= (select |#valid| |~#b~0.base|) 1) (not (= |~#b~0.base| 0)) (= 0 |~#b~0.offset|) (not (= 0 |~#a~0.base|)) (= |~#global~0.base| main_~pd~0.base) (= 0 (select (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset|)) (< |~#a~0.base| |#StackHeapBarrier|) (= (select (select |old(#memory_int)| |~#a~0.base|) |~#a~0.offset|) 1) (= |~#global~0.offset| main_~pd~0.offset) (not (= |~#global~0.base| 0)) (= |~#global~0.offset| 0) (< |~#global~0.base| |#StackHeapBarrier|) (= 4 (select |#length| |~#b~0.base|)) (= 1 (select |#valid| |~#a~0.base|)) (= (select (select |old(#memory_$Pointer$.base)| |~#global~0.base|) |~#global~0.offset|) |~#a~0.base|) (not (= (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|) (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|))) (= (select (select |old(#memory_$Pointer$.base)| |~#global~0.base|) (+ |~#global~0.offset| 4)) |~#b~0.base|) (= (select (select |old(#memory_$Pointer$.offset)| |~#global~0.base|) |~#global~0.offset|) |~#a~0.offset|) (= 0 |~#a~0.offset|) (= (select |#length| |~#global~0.base|) 8) (= 0 (select |#valid| 0)) (= |#NULL.offset| 0) (= (select (select |old(#memory_$Pointer$.offset)| |~#global~0.base|) (+ |~#global~0.offset| 4)) |~#b~0.offset|)) [2019-09-21 08:28:39,776 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 08:28:39,776 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 08:28:39,778 INFO L168 Benchmark]: Toolchain (without parser) took 1619.62 ms. Allocated memory was 138.9 MB in the beginning and 196.6 MB in the end (delta: 57.7 MB). Free memory was 85.6 MB in the beginning and 116.8 MB in the end (delta: -31.2 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. [2019-09-21 08:28:39,780 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 138.9 MB. Free memory was 104.8 MB in the beginning and 104.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 08:28:39,787 INFO L168 Benchmark]: CACSL2BoogieTranslator took 363.99 ms. Allocated memory was 138.9 MB in the beginning and 196.6 MB in the end (delta: 57.7 MB). Free memory was 85.4 MB in the beginning and 174.5 MB in the end (delta: -89.1 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. [2019-09-21 08:28:39,788 INFO L168 Benchmark]: Boogie Preprocessor took 52.63 ms. Allocated memory is still 196.6 MB. Free memory was 174.5 MB in the beginning and 172.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-09-21 08:28:39,789 INFO L168 Benchmark]: RCFGBuilder took 478.53 ms. Allocated memory is still 196.6 MB. Free memory was 172.3 MB in the beginning and 153.9 MB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 7.1 GB. [2019-09-21 08:28:39,790 INFO L168 Benchmark]: Sifa took 720.74 ms. Allocated memory is still 196.6 MB. Free memory was 153.9 MB in the beginning and 116.8 MB in the end (delta: 37.1 MB). Peak memory consumption was 37.1 MB. Max. memory is 7.1 GB. [2019-09-21 08:28:39,799 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 138.9 MB. Free memory was 104.8 MB in the beginning and 104.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 363.99 ms. Allocated memory was 138.9 MB in the beginning and 196.6 MB in the end (delta: 57.7 MB). Free memory was 85.4 MB in the beginning and 174.5 MB in the end (delta: -89.1 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 52.63 ms. Allocated memory is still 196.6 MB. Free memory was 174.5 MB in the beginning and 172.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 478.53 ms. Allocated memory is still 196.6 MB. Free memory was 172.3 MB in the beginning and 153.9 MB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 7.1 GB. * Sifa took 720.74 ms. Allocated memory is still 196.6 MB. Free memory was 153.9 MB in the beginning and 116.8 MB in the end (delta: 37.1 MB). Peak memory consumption was 37.1 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]: 670, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 12, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 8, TOOLS_POST_TIME[ms]: 353, TOOLS_POST_CALL_APPLICATIONS: 4, TOOLS_POST_CALL_TIME[ms]: 38, TOOLS_POST_RETURN_APPLICATIONS: 3, TOOLS_POST_RETURN_TIME[ms]: 125, TOOLS_QUANTIFIERELIM_APPLICATIONS: 15, TOOLS_QUANTIFIERELIM_TIME[ms]: 495, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 223, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 12, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 4, DOMAIN_JOIN_TIME[ms]: 87, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 0, DOMAIN_ISSUBSETEQ_TIME[ms]: 0, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 0, LOOP_SUMMARIZER_CACHE_MISSES: 0, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 0, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 0, CALL_SUMMARIZER_APPLICATIONS: 3, CALL_SUMMARIZER_CACHE_MISSES: 3, CALL_SUMMARIZER_OVERALL_TIME[ms]: 535, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 534, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 10, DAG_COMPRESSION_PROCESSED_NODES: 43, DAG_COMPRESSION_RETAINED_NODES: 26 - UnprovableResult [Line: 31]: 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 25#(and (= 0 |#NULL.base|) (= 1 (select |#valid| |~#global~0.base|)) (< |~#b~0.base| |#StackHeapBarrier|) (= 4 (select |#length| |~#a~0.base|)) (= (select |#valid| |~#b~0.base|) 1) (not (= |~#b~0.base| 0)) (= 0 |~#b~0.offset|) (not (= 0 |~#a~0.base|)) (= |~#global~0.base| main_~pd~0.base) (= 0 (select (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset|)) (< |~#a~0.base| |#StackHeapBarrier|) (= (select (select |old(#memory_int)| |~#a~0.base|) |~#a~0.offset|) 1) (= |~#global~0.offset| main_~pd~0.offset) (not (= |~#global~0.base| 0)) (= |~#global~0.offset| 0) (< |~#global~0.base| |#StackHeapBarrier|) (= 4 (select |#length| |~#b~0.base|)) (= 1 (select |#valid| |~#a~0.base|)) (= (select (select |old(#memory_$Pointer$.base)| |~#global~0.base|) |~#global~0.offset|) |~#a~0.base|) (not (= (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|) (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|))) (= (select (select |old(#memory_$Pointer$.base)| |~#global~0.base|) (+ |~#global~0.offset| 4)) |~#b~0.base|) (= (select (select |old(#memory_$Pointer$.offset)| |~#global~0.base|) |~#global~0.offset|) |~#a~0.offset|) (= 0 |~#a~0.offset|) (= (select |#length| |~#global~0.base|) 8) (= 0 (select |#valid| 0)) (= |#NULL.offset| 0) (= (select (select |old(#memory_$Pointer$.offset)| |~#global~0.base|) (+ |~#global~0.offset| 4)) |~#b~0.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...