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 NeverFluid --sifa.intern.fluid NeverFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/loop-invgen/MADWiFi-encode_ie_ok.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 23:15:24,294 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 23:15:24,296 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 23:15:24,307 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 23:15:24,308 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 23:15:24,309 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 23:15:24,310 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 23:15:24,312 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 23:15:24,313 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 23:15:24,314 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 23:15:24,315 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 23:15:24,316 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 23:15:24,316 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 23:15:24,317 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 23:15:24,318 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 23:15:24,319 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 23:15:24,320 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 23:15:24,321 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 23:15:24,323 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 23:15:24,324 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 23:15:24,326 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 23:15:24,327 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 23:15:24,328 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 23:15:24,329 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 23:15:24,331 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 23:15:24,331 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 23:15:24,332 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 23:15:24,332 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 23:15:24,333 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 23:15:24,334 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 23:15:24,334 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 23:15:24,335 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 23:15:24,335 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 23:15:24,336 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 23:15:24,337 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 23:15:24,337 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 23:15:24,338 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 23:15:24,338 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 23:15:24,338 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 23:15:24,339 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 23:15:24,340 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 23:15:24,341 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 [2019-09-20 23:15:24,354 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 23:15:24,355 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 23:15:24,356 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 23:15:24,356 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 23:15:24,356 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 23:15:24,356 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 23:15:24,357 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 23:15:24,357 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 23:15:24,357 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 23:15:24,357 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 23:15:24,357 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 23:15:24,358 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 23:15:24,358 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 23:15:24,358 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 23:15:24,358 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 23:15:24,358 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 23:15:24,359 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 23:15:24,359 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 23:15:24,359 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 23:15:24,359 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 23:15:24,359 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 23:15:24,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 23:15:24,360 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 23:15:24,360 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 23:15:24,360 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 23:15:24,360 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 23:15:24,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 23:15:24,361 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 23:15:24,361 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 -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 23:15:24,392 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 23:15:24,404 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 23:15:24,407 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 23:15:24,409 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 23:15:24,409 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 23:15:24,410 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/MADWiFi-encode_ie_ok.i [2019-09-20 23:15:24,469 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/676eb13b9/90e239a77da5461382552174f5cc76a7/FLAGb066a72de [2019-09-20 23:15:24,874 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 23:15:24,875 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/MADWiFi-encode_ie_ok.i [2019-09-20 23:15:24,881 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/676eb13b9/90e239a77da5461382552174f5cc76a7/FLAGb066a72de [2019-09-20 23:15:25,295 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/676eb13b9/90e239a77da5461382552174f5cc76a7 [2019-09-20 23:15:25,305 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 23:15:25,306 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 23:15:25,307 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 23:15:25,307 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 23:15:25,311 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 23:15:25,312 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:15:25" (1/1) ... [2019-09-20 23:15:25,315 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ae326e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:15:25, skipping insertion in model container [2019-09-20 23:15:25,315 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:15:25" (1/1) ... [2019-09-20 23:15:25,322 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 23:15:25,343 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 23:15:25,552 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:15:25,556 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 23:15:25,577 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:15:25,589 INFO L192 MainTranslator]: Completed translation [2019-09-20 23:15:25,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:15:25 WrapperNode [2019-09-20 23:15:25,590 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 23:15:25,590 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 23:15:25,591 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 23:15:25,591 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 23:15:25,678 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:15:25" (1/1) ... [2019-09-20 23:15:25,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:15:25" (1/1) ... [2019-09-20 23:15:25,685 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:15:25" (1/1) ... [2019-09-20 23:15:25,689 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:15:25" (1/1) ... [2019-09-20 23:15:25,694 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:15:25" (1/1) ... [2019-09-20 23:15:25,699 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:15:25" (1/1) ... [2019-09-20 23:15:25,700 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:15:25" (1/1) ... [2019-09-20 23:15:25,702 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 23:15:25,702 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 23:15:25,702 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 23:15:25,702 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 23:15:25,703 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:15:25" (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 [2019-09-20 23:15:25,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 23:15:25,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 23:15:25,761 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 23:15:25,761 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 23:15:25,761 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 23:15:25,761 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 23:15:25,762 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 23:15:25,762 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 23:15:25,763 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 23:15:25,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 23:15:25,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 23:15:26,015 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 23:15:26,016 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 23:15:26,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:15:26 BoogieIcfgContainer [2019-09-20 23:15:26,019 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 23:15:26,021 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 23:15:26,021 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 23:15:26,022 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 23:15:26,023 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:15:26" (1/1) ... [2019-09-20 23:15:26,024 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=NeverFluid ♦ 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=NeverFluid [2019-09-20 23:15:26,063 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 23:15:26,064 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 23:15:26,071 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 23:15:26,081 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 23:15:26,083 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 23:15:26,133 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-20 23:15:26,289 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 16 [2019-09-20 23:15:26,629 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 27 [2019-09-20 23:15:26,822 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2019-09-20 23:15:27,071 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2019-09-20 23:15:27,127 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-20 23:15:27,140 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 23:15:27,140 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 23:15:27,143 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 69#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-20 23:15:27,161 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 23:15:27,162 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 23:15:27,165 INFO L168 Benchmark]: Toolchain (without parser) took 1857.10 ms. Allocated memory was 132.6 MB in the beginning and 223.9 MB in the end (delta: 91.2 MB). Free memory was 87.3 MB in the beginning and 171.0 MB in the end (delta: -83.7 MB). Peak memory consumption was 7.5 MB. Max. memory is 7.1 GB. [2019-09-20 23:15:27,167 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 132.6 MB. Free memory was 105.9 MB in the beginning and 105.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 23:15:27,168 INFO L168 Benchmark]: CACSL2BoogieTranslator took 282.81 ms. Allocated memory is still 132.6 MB. Free memory was 87.1 MB in the beginning and 77.4 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-09-20 23:15:27,169 INFO L168 Benchmark]: Boogie Preprocessor took 111.51 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 77.4 MB in the beginning and 176.2 MB in the end (delta: -98.7 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. [2019-09-20 23:15:27,170 INFO L168 Benchmark]: RCFGBuilder took 316.65 ms. Allocated memory is still 199.8 MB. Free memory was 176.2 MB in the beginning and 161.5 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 7.1 GB. [2019-09-20 23:15:27,176 INFO L168 Benchmark]: Sifa took 1140.41 ms. Allocated memory was 199.8 MB in the beginning and 223.9 MB in the end (delta: 24.1 MB). Free memory was 161.5 MB in the beginning and 171.0 MB in the end (delta: -9.5 MB). Peak memory consumption was 14.6 MB. Max. memory is 7.1 GB. [2019-09-20 23:15:27,186 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 132.6 MB. Free memory was 105.9 MB in the beginning and 105.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 282.81 ms. Allocated memory is still 132.6 MB. Free memory was 87.1 MB in the beginning and 77.4 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 111.51 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 77.4 MB in the beginning and 176.2 MB in the end (delta: -98.7 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 316.65 ms. Allocated memory is still 199.8 MB. Free memory was 176.2 MB in the beginning and 161.5 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 7.1 GB. * Sifa took 1140.41 ms. Allocated memory was 199.8 MB in the beginning and 223.9 MB in the end (delta: 24.1 MB). Free memory was 161.5 MB in the beginning and 171.0 MB in the end (delta: -9.5 MB). Peak memory consumption was 14.6 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]: 1081, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 37, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 25, TOOLS_POST_TIME[ms]: 31, TOOLS_POST_CALL_APPLICATIONS: 11, TOOLS_POST_CALL_TIME[ms]: 247, TOOLS_POST_RETURN_APPLICATIONS: 8, TOOLS_POST_RETURN_TIME[ms]: 28, TOOLS_QUANTIFIERELIM_APPLICATIONS: 44, TOOLS_QUANTIFIERELIM_TIME[ms]: 279, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 124, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 40, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 8, DOMAIN_JOIN_TIME[ms]: 312, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 370, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 4, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 3, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 943, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 943, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 8, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 52, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 51, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 21, DAG_COMPRESSION_PROCESSED_NODES: 101, DAG_COMPRESSION_RETAINED_NODES: 49 - 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 69#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...