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.logsizewrapperfluid.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK --sifa.max.parallel.explicit.values 2 --sifa.sizelimitfluid.max.disjunctions 4 -i ../../../trunk/examples/svcomp/ldv-regression/test05.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 17:03:59,285 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 17:03:59,287 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 17:03:59,299 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 17:03:59,299 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 17:03:59,300 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 17:03:59,302 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 17:03:59,304 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 17:03:59,305 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 17:03:59,306 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 17:03:59,307 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 17:03:59,308 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 17:03:59,309 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 17:03:59,310 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 17:03:59,311 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 17:03:59,312 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 17:03:59,313 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 17:03:59,314 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 17:03:59,316 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 17:03:59,318 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 17:03:59,319 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 17:03:59,320 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 17:03:59,321 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 17:03:59,322 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 17:03:59,325 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-25 17:03:59,328 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 17:03:59,329 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 17:03:59,329 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 17:03:59,330 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 17:03:59,331 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 17:03:59,331 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 17:03:59,332 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 17:03:59,332 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 17:03:59,332 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 17:03:59,333 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 17:03:59,334 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 17:03:59,335 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 [2019-09-25 17:03:59,350 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 17:03:59,350 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 17:03:59,353 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 17:03:59,353 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 17:03:59,353 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 17:03:59,353 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 17:03:59,354 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 17:03:59,354 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 17:03:59,354 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 17:03:59,354 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 17:03:59,354 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 17:03:59,354 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 17:03:59,355 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 17:03:59,355 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 17:03:59,355 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 17:03:59,356 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 17:03:59,356 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 17:03:59,356 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 17:03:59,357 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 17:03:59,357 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 17:03:59,357 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 17:03:59,357 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 17:03:59,357 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 17:03:59,358 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 17:03:59,358 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 17:03:59,358 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 17:03:59,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 17:03:59,359 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 17:03:59,359 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: LogSizeWrapperFluid Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Max. Parallel Explicit Values -> 2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: SizeLimitFluid Max. Disjunctions -> 4 [2019-09-25 17:03:59,406 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 17:03:59,422 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 17:03:59,426 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 17:03:59,427 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 17:03:59,428 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 17:03:59,430 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test05.c [2019-09-25 17:03:59,507 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e79d4648/44863c1503044a78927ea7ff35290706/FLAG32dfdcf66 [2019-09-25 17:04:00,003 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 17:04:00,007 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test05.c [2019-09-25 17:04:00,014 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e79d4648/44863c1503044a78927ea7ff35290706/FLAG32dfdcf66 [2019-09-25 17:04:00,414 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e79d4648/44863c1503044a78927ea7ff35290706 [2019-09-25 17:04:00,422 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 17:04:00,424 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 17:04:00,424 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 17:04:00,425 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 17:04:00,429 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 17:04:00,430 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:04:00" (1/1) ... [2019-09-25 17:04:00,433 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b840ab9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:00, skipping insertion in model container [2019-09-25 17:04:00,433 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:04:00" (1/1) ... [2019-09-25 17:04:00,440 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 17:04:00,454 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 17:04:00,639 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:04:00,649 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 17:04:00,664 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:04:00,678 INFO L192 MainTranslator]: Completed translation [2019-09-25 17:04:00,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:00 WrapperNode [2019-09-25 17:04:00,678 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 17:04:00,679 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 17:04:00,679 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 17:04:00,679 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 17:04:00,784 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:00" (1/1) ... [2019-09-25 17:04:00,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:00" (1/1) ... [2019-09-25 17:04:00,791 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:00" (1/1) ... [2019-09-25 17:04:00,792 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:00" (1/1) ... [2019-09-25 17:04:00,799 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:00" (1/1) ... [2019-09-25 17:04:00,801 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:00" (1/1) ... [2019-09-25 17:04:00,803 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:00" (1/1) ... [2019-09-25 17:04:00,806 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 17:04:00,807 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 17:04:00,807 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 17:04:00,807 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 17:04:00,808 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:00" (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 [2019-09-25 17:04:00,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 17:04:00,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 17:04:00,868 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-09-25 17:04:00,868 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-09-25 17:04:00,868 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 17:04:00,868 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 17:04:00,868 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-09-25 17:04:00,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-25 17:04:00,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-25 17:04:00,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-25 17:04:00,869 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-09-25 17:04:00,869 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 17:04:00,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-25 17:04:00,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-25 17:04:00,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-25 17:04:00,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 17:04:00,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 17:04:01,255 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 17:04:01,256 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-25 17:04:01,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:04:01 BoogieIcfgContainer [2019-09-25 17:04:01,257 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 17:04:01,258 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 17:04:01,258 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 17:04:01,258 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 17:04:01,259 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:04:01" (1/1) ... [2019-09-25 17:04:01,260 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=ExplicitValueDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=4 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 17:04:01,281 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 17:04:01,281 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 17:04:01,289 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 17:04:01,298 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 17:04:01,299 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 17:04:01,443 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-25 17:04:02,272 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 41 [2019-09-25 17:04:02,880 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 17:04:02,881 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 17:04:02,883 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 38#(and (< |main_~#a~0.base| |#StackHeapBarrier|) (< |main_~#b~0.base| |#StackHeapBarrier|) (= (store (store (store (store |old(#length)| |main_~#a~0.base| 4) |main_~#b~0.base| 4) |main_~#p1~0.base| 4) |main_~#p2~0.base| 4) |#length|) (< |main_~#p2~0.base| |#StackHeapBarrier|) (= 0 |#NULL.base|) (< |main_~#p1~0.base| |#StackHeapBarrier|) (not (= |main_~#b~0.base| 0)) (= 0 |main_~#p1~0.offset|) (not (= 0 |main_~#a~0.base|)) (= 0 (select |old(#valid)| |main_~#a~0.base|)) (not (= 0 |main_~#p2~0.base|)) (= 0 (select |old(#valid)| 0)) (not (= |main_~#p1~0.base| 0)) (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_~#p1~0.base|) |main_~#p1~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#p1~0.base|) |main_~#p1~0.offset|)) 0)) (= (select (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base|) 0) (= 1 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)) (= (select (store (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#p1~0.base| 1) |main_~#p2~0.base|) 0) (= 0 |main_~#p2~0.offset|) (= (select (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#p1~0.base|) 0) (= |main_~#b~0.offset| 0) (= |#NULL.offset| 0) (= |main_~#a~0.offset| 0) (= |#valid| (store (store (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#p1~0.base| 1) |main_~#p2~0.base| 1))) [2019-09-25 17:04:02,900 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 17:04:02,901 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 17:04:02,906 INFO L168 Benchmark]: Toolchain (without parser) took 2478.56 ms. Allocated memory was 138.4 MB in the beginning and 220.2 MB in the end (delta: 81.8 MB). Free memory was 85.7 MB in the beginning and 152.5 MB in the end (delta: -66.7 MB). Peak memory consumption was 15.1 MB. Max. memory is 7.1 GB. [2019-09-25 17:04:02,907 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 138.4 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 17:04:02,908 INFO L168 Benchmark]: CACSL2BoogieTranslator took 254.20 ms. Allocated memory is still 138.4 MB. Free memory was 85.5 MB in the beginning and 75.6 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-09-25 17:04:02,909 INFO L168 Benchmark]: Boogie Preprocessor took 126.88 ms. Allocated memory was 138.4 MB in the beginning and 198.2 MB in the end (delta: 59.8 MB). Free memory was 75.6 MB in the beginning and 175.0 MB in the end (delta: -99.4 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. [2019-09-25 17:04:02,914 INFO L168 Benchmark]: RCFGBuilder took 451.00 ms. Allocated memory is still 198.2 MB. Free memory was 175.0 MB in the beginning and 154.1 MB in the end (delta: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. [2019-09-25 17:04:02,917 INFO L168 Benchmark]: Sifa took 1642.81 ms. Allocated memory was 198.2 MB in the beginning and 220.2 MB in the end (delta: 22.0 MB). Free memory was 154.1 MB in the beginning and 152.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. [2019-09-25 17:04:02,927 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 138.4 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 254.20 ms. Allocated memory is still 138.4 MB. Free memory was 85.5 MB in the beginning and 75.6 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 126.88 ms. Allocated memory was 138.4 MB in the beginning and 198.2 MB in the end (delta: 59.8 MB). Free memory was 75.6 MB in the beginning and 175.0 MB in the end (delta: -99.4 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 451.00 ms. Allocated memory is still 198.2 MB. Free memory was 175.0 MB in the beginning and 154.1 MB in the end (delta: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. * Sifa took 1642.81 ms. Allocated memory was 198.2 MB in the beginning and 220.2 MB in the end (delta: 22.0 MB). Free memory was 154.1 MB in the beginning and 152.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 1602, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 17, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 13, TOOLS_POST_TIME[ms]: 701, TOOLS_POST_CALL_APPLICATIONS: 4, TOOLS_POST_CALL_TIME[ms]: 724, TOOLS_POST_RETURN_APPLICATIONS: 3, TOOLS_POST_RETURN_TIME[ms]: 37, TOOLS_QUANTIFIERELIM_APPLICATIONS: 20, TOOLS_QUANTIFIERELIM_TIME[ms]: 1439, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 692, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 17, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 6, DOMAIN_JOIN_TIME[ms]: 59, 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: 2, DOMAIN_ISBOTTOM_TIME[ms]: 6, 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]: 361, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 361, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 14, DAG_COMPRESSION_PROCESSED_NODES: 53, DAG_COMPRESSION_RETAINED_NODES: 31 - UnprovableResult [Line: 44]: 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 38#(and (< |main_~#a~0.base| |#StackHeapBarrier|) (< |main_~#b~0.base| |#StackHeapBarrier|) (= (store (store (store (store |old(#length)| |main_~#a~0.base| 4) |main_~#b~0.base| 4) |main_~#p1~0.base| 4) |main_~#p2~0.base| 4) |#length|) (< |main_~#p2~0.base| |#StackHeapBarrier|) (= 0 |#NULL.base|) (< |main_~#p1~0.base| |#StackHeapBarrier|) (not (= |main_~#b~0.base| 0)) (= 0 |main_~#p1~0.offset|) (not (= 0 |main_~#a~0.base|)) (= 0 (select |old(#valid)| |main_~#a~0.base|)) (not (= 0 |main_~#p2~0.base|)) (= 0 (select |old(#valid)| 0)) (not (= |main_~#p1~0.base| 0)) (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_~#p1~0.base|) |main_~#p1~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#p1~0.base|) |main_~#p1~0.offset|)) 0)) (= (select (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base|) 0) (= 1 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)) (= (select (store (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#p1~0.base| 1) |main_~#p2~0.base|) 0) (= 0 |main_~#p2~0.offset|) (= (select (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#p1~0.base|) 0) (= |main_~#b~0.offset| 0) (= |#NULL.offset| 0) (= |main_~#a~0.offset| 0) (= |#valid| (store (store (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#p1~0.base| 1) |main_~#p2~0.base| 1))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...