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 CompoundDomain --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/test27-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 09:54:11,855 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:54:11,857 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:54:11,869 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:54:11,869 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:54:11,870 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:54:11,872 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:54:11,874 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:54:11,876 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:54:11,876 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:54:11,878 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:54:11,879 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:54:11,879 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:54:11,880 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:54:11,881 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:54:11,882 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:54:11,883 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:54:11,884 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:54:11,886 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:54:11,888 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:54:11,890 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:54:11,891 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:54:11,893 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:54:11,894 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:54:11,896 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-21 09:54:11,900 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 09:54:11,901 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 09:54:11,902 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 09:54:11,902 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 09:54:11,904 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 09:54:11,904 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 09:54:11,905 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 09:54:11,905 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 09:54:11,905 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:54:11,906 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:54:11,907 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:54:11,908 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 09:54:11,923 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:54:11,923 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:54:11,924 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:54:11,925 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:54:11,925 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:54:11,925 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:54:11,925 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:54:11,926 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:54:11,926 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:54:11,926 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:54:11,926 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:54:11,926 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:54:11,927 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:54:11,927 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:54:11,927 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:54:11,927 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:54:11,927 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:54:11,928 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:54:11,928 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:54:11,928 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:54:11,928 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:54:11,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:54:11,929 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:54:11,929 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:54:11,929 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:54:11,929 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:54:11,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:54:11,930 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:54:11,930 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain 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 09:54:11,961 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:54:11,973 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:54:11,977 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:54:11,978 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:54:11,979 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:54:11,980 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test27-1.c [2019-09-21 09:54:12,044 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be5e618ca/ebddc59ce29b498b958a0e7148388056/FLAG71c218e1f [2019-09-21 09:54:12,529 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:54:12,530 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test27-1.c [2019-09-21 09:54:12,536 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be5e618ca/ebddc59ce29b498b958a0e7148388056/FLAG71c218e1f [2019-09-21 09:54:12,865 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be5e618ca/ebddc59ce29b498b958a0e7148388056 [2019-09-21 09:54:12,875 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:54:12,876 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:54:12,877 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:54:12,878 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:54:12,881 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:54:12,882 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:54:12" (1/1) ... [2019-09-21 09:54:12,885 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@745bf630 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:54:12, skipping insertion in model container [2019-09-21 09:54:12,885 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:54:12" (1/1) ... [2019-09-21 09:54:12,893 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:54:12,911 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:54:13,117 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:54:13,128 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:54:13,260 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:54:13,276 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:54:13,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:54:13 WrapperNode [2019-09-21 09:54:13,277 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:54:13,277 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:54:13,277 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:54:13,277 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:54:13,288 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:54:13" (1/1) ... [2019-09-21 09:54:13,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:54:13" (1/1) ... [2019-09-21 09:54:13,296 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:54:13" (1/1) ... [2019-09-21 09:54:13,296 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:54:13" (1/1) ... [2019-09-21 09:54:13,308 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:54:13" (1/1) ... [2019-09-21 09:54:13,315 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:54:13" (1/1) ... [2019-09-21 09:54:13,317 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:54:13" (1/1) ... [2019-09-21 09:54:13,321 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:54:13,322 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:54:13,322 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:54:13,322 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:54:13,323 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:54:13" (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 09:54:13,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:54:13,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:54:13,378 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-21 09:54:13,378 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:54:13,378 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:54:13,379 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 09:54:13,379 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-21 09:54:13,379 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-21 09:54:13,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-21 09:54:13,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 09:54:13,379 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:54:13,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-21 09:54:13,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 09:54:13,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-21 09:54:13,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 09:54:13,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:54:13,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:54:13,815 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:54:13,815 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-21 09:54:13,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:54:13 BoogieIcfgContainer [2019-09-21 09:54:13,816 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:54:13,817 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:54:13,817 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:54:13,817 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:54:13,818 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:54:13" (1/1) ... [2019-09-21 09:54:13,824 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ 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 09:54:13,848 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 09:54:13,848 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:54:13,854 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:54:13,861 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:54:13,863 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:54:14,058 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-09-21 09:54:15,310 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2019-09-21 09:54:15,486 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2019-09-21 09:54:15,616 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2019-09-21 09:54:15,899 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 09:54:15,900 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 09:54:15,902 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 217#(not (= main_~i~0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#cont~0.base|) |main_~#cont~0.offset|)) (+ (* 4 main_~i~0) (select (select |#memory_$Pointer$.offset| |main_~#cont~0.base|) |main_~#cont~0.offset|)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#cont~0.base|) |main_~#cont~0.offset|)) (+ (* 4 main_~i~0) (select (select |#memory_$Pointer$.offset| |main_~#cont~0.base|) |main_~#cont~0.offset|))))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#cont~0.base|) |main_~#cont~0.offset|)) (+ (* 4 main_~i~0) (select (select |#memory_$Pointer$.offset| |main_~#cont~0.base|) |main_~#cont~0.offset|)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#cont~0.base|) |main_~#cont~0.offset|)) (+ (* 4 main_~i~0) (select (select |#memory_$Pointer$.offset| |main_~#cont~0.base|) |main_~#cont~0.offset|)))) 4)))) [2019-09-21 09:54:15,914 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 09:54:15,915 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 09:54:15,917 INFO L168 Benchmark]: Toolchain (without parser) took 3040.43 ms. Allocated memory was 140.0 MB in the beginning and 226.0 MB in the end (delta: 86.0 MB). Free memory was 86.4 MB in the beginning and 103.0 MB in the end (delta: -16.6 MB). Peak memory consumption was 69.4 MB. Max. memory is 7.1 GB. [2019-09-21 09:54:15,918 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 140.0 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 09:54:15,919 INFO L168 Benchmark]: CACSL2BoogieTranslator took 399.58 ms. Allocated memory was 140.0 MB in the beginning and 201.3 MB in the end (delta: 61.3 MB). Free memory was 86.2 MB in the beginning and 178.2 MB in the end (delta: -92.0 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. [2019-09-21 09:54:15,919 INFO L168 Benchmark]: Boogie Preprocessor took 44.33 ms. Allocated memory is still 201.3 MB. Free memory was 178.2 MB in the beginning and 176.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-09-21 09:54:15,920 INFO L168 Benchmark]: RCFGBuilder took 494.61 ms. Allocated memory is still 201.3 MB. Free memory was 176.4 MB in the beginning and 154.0 MB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. [2019-09-21 09:54:15,921 INFO L168 Benchmark]: Sifa took 2098.09 ms. Allocated memory was 201.3 MB in the beginning and 226.0 MB in the end (delta: 24.6 MB). Free memory was 154.0 MB in the beginning and 103.0 MB in the end (delta: 51.0 MB). Peak memory consumption was 75.7 MB. Max. memory is 7.1 GB. [2019-09-21 09:54:15,925 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 140.0 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 399.58 ms. Allocated memory was 140.0 MB in the beginning and 201.3 MB in the end (delta: 61.3 MB). Free memory was 86.2 MB in the beginning and 178.2 MB in the end (delta: -92.0 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.33 ms. Allocated memory is still 201.3 MB. Free memory was 178.2 MB in the beginning and 176.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 494.61 ms. Allocated memory is still 201.3 MB. Free memory was 176.4 MB in the beginning and 154.0 MB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. * Sifa took 2098.09 ms. Allocated memory was 201.3 MB in the beginning and 226.0 MB in the end (delta: 24.6 MB). Free memory was 154.0 MB in the beginning and 103.0 MB in the end (delta: 51.0 MB). Peak memory consumption was 75.7 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]: 2055, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 32, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 25, TOOLS_POST_TIME[ms]: 1332, TOOLS_POST_CALL_APPLICATIONS: 5, TOOLS_POST_CALL_TIME[ms]: 17, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 6, TOOLS_QUANTIFIERELIM_APPLICATIONS: 32, TOOLS_QUANTIFIERELIM_TIME[ms]: 1331, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 681, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 38, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 11, DOMAIN_JOIN_TIME[ms]: 93, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 322, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 128, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 75, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 3, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 768, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 768, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 159, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 159, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 2, DAG_COMPRESSION_TIME[ms]: 18, DAG_COMPRESSION_PROCESSED_NODES: 119, DAG_COMPRESSION_RETAINED_NODES: 43 - UnprovableResult [Line: 51]: 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 217#(not (= main_~i~0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#cont~0.base|) |main_~#cont~0.offset|)) (+ (* 4 main_~i~0) (select (select |#memory_$Pointer$.offset| |main_~#cont~0.base|) |main_~#cont~0.offset|)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#cont~0.base|) |main_~#cont~0.offset|)) (+ (* 4 main_~i~0) (select (select |#memory_$Pointer$.offset| |main_~#cont~0.base|) |main_~#cont~0.offset|))))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#cont~0.base|) |main_~#cont~0.offset|)) (+ (* 4 main_~i~0) (select (select |#memory_$Pointer$.offset| |main_~#cont~0.base|) |main_~#cont~0.offset|)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#cont~0.base|) |main_~#cont~0.offset|)) (+ (* 4 main_~i~0) (select (select |#memory_$Pointer$.offset| |main_~#cont~0.base|) |main_~#cont~0.offset|)))) 4)))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...