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_DDA -i ../../../trunk/examples/svcomp/loops/veris.c_NetBSD-libc_loop.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 09:34:00,122 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 09:34:00,124 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 09:34:00,136 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 09:34:00,137 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 09:34:00,138 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 09:34:00,139 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 09:34:00,142 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 09:34:00,143 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 09:34:00,144 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 09:34:00,145 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 09:34:00,146 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 09:34:00,147 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 09:34:00,148 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 09:34:00,149 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 09:34:00,150 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 09:34:00,151 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 09:34:00,152 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 09:34:00,154 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 09:34:00,156 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 09:34:00,158 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 09:34:00,159 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 09:34:00,160 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 09:34:00,161 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 09:34:00,163 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-17 09:34:00,167 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 09:34:00,168 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 09:34:00,168 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 09:34:00,169 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 09:34:00,172 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 09:34:00,172 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 09:34:00,173 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 09:34:00,174 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 09:34:00,174 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 09:34:00,175 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 09:34:00,177 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 09:34:00,178 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 [2019-09-17 09:34:00,206 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 09:34:00,206 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 09:34:00,209 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 09:34:00,209 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 09:34:00,209 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 09:34:00,210 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 09:34:00,210 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 09:34:00,210 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 09:34:00,210 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 09:34:00,210 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 09:34:00,211 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 09:34:00,212 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 09:34:00,212 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 09:34:00,212 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 09:34:00,213 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 09:34:00,213 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 09:34:00,213 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 09:34:00,213 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 09:34:00,214 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 09:34:00,214 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 09:34:00,214 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 09:34:00,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 09:34:00,215 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 09:34:00,215 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 09:34:00,215 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 09:34:00,215 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 09:34:00,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 09:34:00,216 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 09:34:00,216 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_DDA [2019-09-17 09:34:00,255 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 09:34:00,275 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 09:34:00,282 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 09:34:00,286 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 09:34:00,287 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 09:34:00,290 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/veris.c_NetBSD-libc_loop.i [2019-09-17 09:34:00,367 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06d0e89dc/e560a2a4472e4ac09191a84f97e520e6/FLAGf9068f059 [2019-09-17 09:34:00,799 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 09:34:00,800 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/veris.c_NetBSD-libc_loop.i [2019-09-17 09:34:00,807 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06d0e89dc/e560a2a4472e4ac09191a84f97e520e6/FLAGf9068f059 [2019-09-17 09:34:01,158 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06d0e89dc/e560a2a4472e4ac09191a84f97e520e6 [2019-09-17 09:34:01,169 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 09:34:01,170 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 09:34:01,171 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 09:34:01,171 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 09:34:01,175 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 09:34:01,176 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 09:34:01" (1/1) ... [2019-09-17 09:34:01,179 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a7d2efc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:34:01, skipping insertion in model container [2019-09-17 09:34:01,179 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 09:34:01" (1/1) ... [2019-09-17 09:34:01,186 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 09:34:01,203 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 09:34:01,386 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 09:34:01,398 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 09:34:01,412 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 09:34:01,427 INFO L192 MainTranslator]: Completed translation [2019-09-17 09:34:01,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:34:01 WrapperNode [2019-09-17 09:34:01,428 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 09:34:01,429 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 09:34:01,429 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 09:34:01,429 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 09:34:01,526 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:34:01" (1/1) ... [2019-09-17 09:34:01,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:34:01" (1/1) ... [2019-09-17 09:34:01,534 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:34:01" (1/1) ... [2019-09-17 09:34:01,535 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:34:01" (1/1) ... [2019-09-17 09:34:01,542 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:34:01" (1/1) ... [2019-09-17 09:34:01,546 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:34:01" (1/1) ... [2019-09-17 09:34:01,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:34:01" (1/1) ... [2019-09-17 09:34:01,550 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 09:34:01,550 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 09:34:01,550 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 09:34:01,550 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 09:34:01,551 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:34:01" (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 [2019-09-17 09:34:01,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 09:34:01,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 09:34:01,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-17 09:34:01,607 INFO L138 BoogieDeclarations]: Found implementation of procedure glob2 [2019-09-17 09:34:01,607 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 09:34:01,607 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 09:34:01,607 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-17 09:34:01,607 INFO L130 BoogieDeclarations]: Found specification of procedure glob2 [2019-09-17 09:34:01,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 09:34:01,607 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 09:34:01,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 09:34:01,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 09:34:01,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 09:34:01,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 09:34:01,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 09:34:01,962 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 09:34:01,962 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-17 09:34:01,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 09:34:01 BoogieIcfgContainer [2019-09-17 09:34:01,964 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 09:34:01,964 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 09:34:01,964 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 09:34:01,965 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 09:34:01,966 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 09:34:01" (1/1) ... [2019-09-17 09:34:01,966 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_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-17 09:34:01,988 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 09:34:01,988 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 09:34:01,997 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 09:34:02,007 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 09:34:02,009 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 09:34:02,178 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-09-17 09:34:02,343 INFO L199 IcfgInterpreter]: Interpreting procedure glob2 with input of size 35 for LOIs [2019-09-17 09:34:02,536 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-17 09:34:02,745 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 38 [2019-09-17 09:34:02,801 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 19 for LOIs [2019-09-17 09:34:02,833 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 09:34:02,833 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 09:34:02,835 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 34#(and (<= __VERIFIER_assert_~cond 0) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 4 ~tmp~0.offset) (<= 0 |#NULL.base|) (<= ~tmp~0.offset 4) (<= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-09-17 09:34:02,850 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 09:34:02,850 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 09:34:02,856 INFO L168 Benchmark]: Toolchain (without parser) took 1681.70 ms. Allocated memory was 132.6 MB in the beginning and 198.7 MB in the end (delta: 66.1 MB). Free memory was 88.4 MB in the beginning and 85.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 69.2 MB. Max. memory is 7.1 GB. [2019-09-17 09:34:02,857 INFO L168 Benchmark]: CDTParser took 0.65 ms. Allocated memory is still 132.6 MB. Free memory was 106.7 MB in the beginning and 106.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 09:34:02,858 INFO L168 Benchmark]: CACSL2BoogieTranslator took 257.60 ms. Allocated memory is still 132.6 MB. Free memory was 88.0 MB in the beginning and 78.4 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-09-17 09:34:02,864 INFO L168 Benchmark]: Boogie Preprocessor took 120.68 ms. Allocated memory was 132.6 MB in the beginning and 198.7 MB in the end (delta: 66.1 MB). Free memory was 78.4 MB in the beginning and 174.5 MB in the end (delta: -96.0 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-09-17 09:34:02,866 INFO L168 Benchmark]: RCFGBuilder took 413.71 ms. Allocated memory is still 198.7 MB. Free memory was 174.5 MB in the beginning and 157.9 MB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB. [2019-09-17 09:34:02,867 INFO L168 Benchmark]: Sifa took 886.19 ms. Allocated memory is still 198.7 MB. Free memory was 157.9 MB in the beginning and 85.3 MB in the end (delta: 72.6 MB). Peak memory consumption was 72.6 MB. Max. memory is 7.1 GB. [2019-09-17 09:34:02,874 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.65 ms. Allocated memory is still 132.6 MB. Free memory was 106.7 MB in the beginning and 106.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 257.60 ms. Allocated memory is still 132.6 MB. Free memory was 88.0 MB in the beginning and 78.4 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.68 ms. Allocated memory was 132.6 MB in the beginning and 198.7 MB in the end (delta: 66.1 MB). Free memory was 78.4 MB in the beginning and 174.5 MB in the end (delta: -96.0 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 413.71 ms. Allocated memory is still 198.7 MB. Free memory was 174.5 MB in the beginning and 157.9 MB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB. * Sifa took 886.19 ms. Allocated memory is still 198.7 MB. Free memory was 157.9 MB in the beginning and 85.3 MB in the end (delta: 72.6 MB). Peak memory consumption was 72.6 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]: 848, ICFG_INTERPRETER_ENTERED_PROCEDURES: 4, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 23, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 16, TOOLS_POST_TIME[ms]: 330, TOOLS_POST_CALL_APPLICATIONS: 6, TOOLS_POST_CALL_TIME[ms]: 215, TOOLS_POST_RETURN_APPLICATIONS: 3, TOOLS_POST_RETURN_TIME[ms]: 9, TOOLS_QUANTIFIERELIM_APPLICATIONS: 25, TOOLS_QUANTIFIERELIM_TIME[ms]: 534, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 249, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 25, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 6, DOMAIN_JOIN_TIME[ms]: 198, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 12, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 4, DOMAIN_ISBOTTOM_APPLICATIONS: 1, DOMAIN_ISBOTTOM_TIME[ms]: 2, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 446, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 445, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 3, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 130, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 130, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 13, DAG_COMPRESSION_PROCESSED_NODES: 53, DAG_COMPRESSION_RETAINED_NODES: 36 - UnprovableResult [Line: 5]: 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 34#(and (<= __VERIFIER_assert_~cond 0) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 4 ~tmp~0.offset) (<= 0 |#NULL.base|) (<= ~tmp~0.offset 4) (<= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...