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 IntervalDomain --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/test20.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 09:11:49,039 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:11:49,041 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:11:49,052 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:11:49,053 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:11:49,054 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:11:49,055 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:11:49,057 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:11:49,060 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:11:49,061 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:11:49,063 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:11:49,069 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:11:49,070 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:11:49,071 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:11:49,072 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:11:49,073 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:11:49,073 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:11:49,074 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:11:49,076 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:11:49,078 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:11:49,080 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:11:49,081 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:11:49,082 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:11:49,083 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:11:49,085 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 09:11:49,085 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 09:11:49,085 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 09:11:49,086 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 09:11:49,087 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 09:11:49,087 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 09:11:49,088 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 09:11:49,088 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 09:11:49,089 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 09:11:49,090 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 09:11:49,091 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 09:11:49,091 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 09:11:49,092 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 09:11:49,092 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 09:11:49,092 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:11:49,093 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:11:49,094 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:11:49,095 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 09:11:49,109 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:11:49,109 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:11:49,111 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:11:49,111 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:11:49,111 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:11:49,111 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:11:49,111 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:11:49,112 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:11:49,112 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:11:49,112 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:11:49,112 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:11:49,112 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:11:49,113 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:11:49,113 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:11:49,113 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:11:49,113 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:11:49,113 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:11:49,114 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:11:49,114 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:11:49,114 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:11:49,114 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:11:49,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:11:49,115 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:11:49,115 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:11:49,115 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:11:49,115 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:11:49,115 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:11:49,116 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:11:49,116 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain 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 09:11:49,168 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:11:49,178 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:11:49,182 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:11:49,183 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:11:49,183 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:11:49,184 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test20.c [2019-09-21 09:11:49,243 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0561a906/2cf34d83dd6948239f67c974646b3dd3/FLAG08c463df5 [2019-09-21 09:11:49,643 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:11:49,644 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test20.c [2019-09-21 09:11:49,650 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0561a906/2cf34d83dd6948239f67c974646b3dd3/FLAG08c463df5 [2019-09-21 09:11:50,058 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0561a906/2cf34d83dd6948239f67c974646b3dd3 [2019-09-21 09:11:50,072 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:11:50,074 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:11:50,075 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:11:50,075 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:11:50,078 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:11:50,079 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:11:50" (1/1) ... [2019-09-21 09:11:50,082 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d281660 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:11:50, skipping insertion in model container [2019-09-21 09:11:50,082 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:11:50" (1/1) ... [2019-09-21 09:11:50,090 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:11:50,105 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:11:50,256 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:11:50,261 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:11:50,276 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:11:50,301 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:11:50,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:11:50 WrapperNode [2019-09-21 09:11:50,302 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:11:50,303 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:11:50,303 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:11:50,304 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:11:50,410 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:11:50" (1/1) ... [2019-09-21 09:11:50,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:11:50" (1/1) ... [2019-09-21 09:11:50,417 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:11:50" (1/1) ... [2019-09-21 09:11:50,419 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:11:50" (1/1) ... [2019-09-21 09:11:50,426 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:11:50" (1/1) ... [2019-09-21 09:11:50,428 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:11:50" (1/1) ... [2019-09-21 09:11:50,429 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:11:50" (1/1) ... [2019-09-21 09:11:50,431 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:11:50,431 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:11:50,431 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:11:50,431 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:11:50,432 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:11:50" (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 09:11:50,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:11:50,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:11:50,485 INFO L138 BoogieDeclarations]: Found implementation of procedure equal [2019-09-21 09:11:50,486 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:11:50,486 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:11:50,486 INFO L130 BoogieDeclarations]: Found specification of procedure equal [2019-09-21 09:11:50,486 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:11:50,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:11:50,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-21 09:11:50,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-21 09:11:50,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:11:50,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 09:11:50,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 09:11:50,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 09:11:50,744 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:11:50,744 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-21 09:11:50,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:11:50 BoogieIcfgContainer [2019-09-21 09:11:50,746 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:11:50,747 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:11:50,748 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:11:50,748 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:11:50,756 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:11:50" (1/1) ... [2019-09-21 09:11:50,757 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ 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 09:11:50,790 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 09:11:50,790 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:11:50,798 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:11:50,809 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:11:50,811 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:11:51,116 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 14 for LOIs [2019-09-21 09:11:51,119 INFO L199 IcfgInterpreter]: Interpreting procedure equal with input of size 24 for LOIs [2019-09-21 09:11:51,152 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 09:11:51,152 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 09:11:51,155 INFO L193 IcfgInterpreter]: Reachable states at location equalErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 12#(and (<= |equal_#in~b.offset| 0) (<= equal_~b.offset 0) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |~#a~0.offset|) (<= 0 |~#b~0.offset|) (<= 0 equal_~a.offset) (<= 0 equal_~b.offset) (<= equal_~a.offset 0) (<= 0 |equal_#in~b.offset|) (<= |equal_#in~a.offset| 0) (<= |~#a~0.offset| 0) (<= 0 |equal_#in~a.offset|) (<= |~#b~0.offset| 0)) [2019-09-21 09:11:51,173 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 09:11:51,174 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 09:11:51,176 INFO L168 Benchmark]: Toolchain (without parser) took 1101.62 ms. Allocated memory was 138.4 MB in the beginning and 199.2 MB in the end (delta: 60.8 MB). Free memory was 86.2 MB in the beginning and 144.5 MB in the end (delta: -58.3 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2019-09-21 09:11:51,177 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 138.4 MB. Free memory was 104.3 MB in the beginning and 104.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 09:11:51,178 INFO L168 Benchmark]: CACSL2BoogieTranslator took 227.81 ms. Allocated memory is still 138.4 MB. Free memory was 85.8 MB in the beginning and 76.5 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-09-21 09:11:51,179 INFO L168 Benchmark]: Boogie Preprocessor took 127.49 ms. Allocated memory was 138.4 MB in the beginning and 199.2 MB in the end (delta: 60.8 MB). Free memory was 76.5 MB in the beginning and 177.0 MB in the end (delta: -100.6 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2019-09-21 09:11:51,180 INFO L168 Benchmark]: RCFGBuilder took 314.83 ms. Allocated memory is still 199.2 MB. Free memory was 177.0 MB in the beginning and 162.3 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 7.1 GB. [2019-09-21 09:11:51,181 INFO L168 Benchmark]: Sifa took 426.39 ms. Allocated memory is still 199.2 MB. Free memory was 162.3 MB in the beginning and 144.5 MB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 7.1 GB. [2019-09-21 09:11:51,185 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 138.4 MB. Free memory was 104.3 MB in the beginning and 104.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 227.81 ms. Allocated memory is still 138.4 MB. Free memory was 85.8 MB in the beginning and 76.5 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 127.49 ms. Allocated memory was 138.4 MB in the beginning and 199.2 MB in the end (delta: 60.8 MB). Free memory was 76.5 MB in the beginning and 177.0 MB in the end (delta: -100.6 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 314.83 ms. Allocated memory is still 199.2 MB. Free memory was 177.0 MB in the beginning and 162.3 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 7.1 GB. * Sifa took 426.39 ms. Allocated memory is still 199.2 MB. Free memory was 162.3 MB in the beginning and 144.5 MB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 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]: 366, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 8, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 4, TOOLS_POST_TIME[ms]: 229, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 20, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 2, TOOLS_QUANTIFIERELIM_APPLICATIONS: 8, TOOLS_QUANTIFIERELIM_TIME[ms]: 236, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 224, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 8, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 2, DOMAIN_JOIN_TIME[ms]: 45, 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: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 249, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 248, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 2, DAG_COMPRESSION_TIME[ms]: 15, DAG_COMPRESSION_PROCESSED_NODES: 33, DAG_COMPRESSION_RETAINED_NODES: 25 - 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 12#(and (<= |equal_#in~b.offset| 0) (<= equal_~b.offset 0) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |~#a~0.offset|) (<= 0 |~#b~0.offset|) (<= 0 equal_~a.offset) (<= 0 equal_~b.offset) (<= equal_~a.offset 0) (<= 0 |equal_#in~b.offset|) (<= |equal_#in~a.offset| 0) (<= |~#a~0.offset| 0) (<= 0 |equal_#in~a.offset|) (<= |~#b~0.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...