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/loop-invgen/MADWiFi-encode_ie_ok.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 16:26:20,181 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 16:26:20,183 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 16:26:20,196 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 16:26:20,197 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 16:26:20,198 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 16:26:20,199 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 16:26:20,201 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 16:26:20,203 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 16:26:20,204 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 16:26:20,205 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 16:26:20,206 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 16:26:20,206 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 16:26:20,207 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 16:26:20,208 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 16:26:20,210 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 16:26:20,210 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 16:26:20,211 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 16:26:20,213 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 16:26:20,215 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 16:26:20,217 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 16:26:20,218 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 16:26:20,219 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 16:26:20,220 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 16:26:20,223 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 16:26:20,223 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 16:26:20,223 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 16:26:20,224 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 16:26:20,225 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 16:26:20,226 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 16:26:20,226 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 16:26:20,227 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 16:26:20,227 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 16:26:20,228 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 16:26:20,229 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 16:26:20,229 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 16:26:20,230 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 16:26:20,230 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 16:26:20,230 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 16:26:20,231 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 16:26:20,232 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 16:26:20,233 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 16:26:20,246 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 16:26:20,247 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 16:26:20,248 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 16:26:20,248 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 16:26:20,248 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 16:26:20,249 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 16:26:20,249 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 16:26:20,249 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 16:26:20,249 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 16:26:20,250 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 16:26:20,250 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 16:26:20,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 16:26:20,250 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 16:26:20,250 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 16:26:20,251 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 16:26:20,251 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 16:26:20,251 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 16:26:20,252 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 16:26:20,252 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 16:26:20,253 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 16:26:20,253 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 16:26:20,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 16:26:20,253 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 16:26:20,253 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 16:26:20,254 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 16:26:20,254 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 16:26:20,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 16:26:20,255 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 16:26:20,255 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 [2019-09-20 16:26:20,311 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 16:26:20,331 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 16:26:20,335 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 16:26:20,337 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 16:26:20,337 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 16:26:20,338 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/MADWiFi-encode_ie_ok.i [2019-09-20 16:26:20,414 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2ad5c080/c59ca90e3ce04d84833ce9f4bd138ac9/FLAGf18661456 [2019-09-20 16:26:20,827 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 16:26:20,828 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/MADWiFi-encode_ie_ok.i [2019-09-20 16:26:20,834 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2ad5c080/c59ca90e3ce04d84833ce9f4bd138ac9/FLAGf18661456 [2019-09-20 16:26:21,247 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2ad5c080/c59ca90e3ce04d84833ce9f4bd138ac9 [2019-09-20 16:26:21,257 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 16:26:21,258 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 16:26:21,259 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 16:26:21,259 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 16:26:21,263 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 16:26:21,264 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:26:21" (1/1) ... [2019-09-20 16:26:21,267 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 04:26:21, skipping insertion in model container [2019-09-20 16:26:21,267 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:26:21" (1/1) ... [2019-09-20 16:26:21,275 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 16:26:21,299 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 16:26:21,521 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:26:21,526 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 16:26:21,543 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:26:21,559 INFO L192 MainTranslator]: Completed translation [2019-09-20 16:26:21,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:26:21 WrapperNode [2019-09-20 16:26:21,559 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 16:26:21,560 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 16:26:21,560 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 16:26:21,560 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 16:26:21,659 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:26:21" (1/1) ... [2019-09-20 16:26:21,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:26:21" (1/1) ... [2019-09-20 16:26:21,665 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:26:21" (1/1) ... [2019-09-20 16:26:21,665 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:26:21" (1/1) ... [2019-09-20 16:26:21,669 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:26:21" (1/1) ... [2019-09-20 16:26:21,674 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:26:21" (1/1) ... [2019-09-20 16:26:21,676 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:26:21" (1/1) ... [2019-09-20 16:26:21,677 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 16:26:21,678 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 16:26:21,678 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 16:26:21,678 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 16:26:21,679 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:26:21" (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 16:26:21,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 16:26:21,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 16:26:21,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 16:26:21,738 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 16:26:21,738 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 16:26:21,738 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 16:26:21,739 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 16:26:21,739 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 16:26:21,739 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 16:26:21,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 16:26:21,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 16:26:22,016 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 16:26:22,016 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 16:26:22,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:26:22 BoogieIcfgContainer [2019-09-20 16:26:22,020 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 16:26:22,026 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 16:26:22,026 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 16:26:22,026 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 16:26:22,028 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:26:22" (1/1) ... [2019-09-20 16:26:22,030 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 [2019-09-20 16:26:22,064 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 16:26:22,064 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 16:26:22,073 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 16:26:22,082 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 16:26:22,084 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 16:26:22,140 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-20 16:26:22,302 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 16 [2019-09-20 16:26:22,612 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-20 16:26:22,624 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 16:26:22,624 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 16:26:22,626 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 56#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) [2019-09-20 16:26:22,644 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 16:26:22,645 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 16:26:22,652 INFO L168 Benchmark]: Toolchain (without parser) took 1391.20 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 92.9 MB in the beginning and 121.4 MB in the end (delta: -28.5 MB). Peak memory consumption was 35.5 MB. Max. memory is 7.1 GB. [2019-09-20 16:26:22,654 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 137.4 MB. Free memory was 111.6 MB in the beginning and 111.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 16:26:22,656 INFO L168 Benchmark]: CACSL2BoogieTranslator took 300.60 ms. Allocated memory is still 137.4 MB. Free memory was 92.7 MB in the beginning and 83.2 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-09-20 16:26:22,657 INFO L168 Benchmark]: Boogie Preprocessor took 117.36 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 83.2 MB in the beginning and 177.6 MB in the end (delta: -94.4 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-09-20 16:26:22,658 INFO L168 Benchmark]: RCFGBuilder took 342.08 ms. Allocated memory is still 201.3 MB. Free memory was 177.6 MB in the beginning and 163.2 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. [2019-09-20 16:26:22,665 INFO L168 Benchmark]: Sifa took 622.21 ms. Allocated memory is still 201.3 MB. Free memory was 163.2 MB in the beginning and 121.4 MB in the end (delta: 41.8 MB). Peak memory consumption was 41.8 MB. Max. memory is 7.1 GB. [2019-09-20 16:26:22,677 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 137.4 MB. Free memory was 111.6 MB in the beginning and 111.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 300.60 ms. Allocated memory is still 137.4 MB. Free memory was 92.7 MB in the beginning and 83.2 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.36 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 83.2 MB in the beginning and 177.6 MB in the end (delta: -94.4 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 342.08 ms. Allocated memory is still 201.3 MB. Free memory was 177.6 MB in the beginning and 163.2 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. * Sifa took 622.21 ms. Allocated memory is still 201.3 MB. Free memory was 163.2 MB in the beginning and 121.4 MB in the end (delta: 41.8 MB). Peak memory consumption was 41.8 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]: 563, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 37, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 25, TOOLS_POST_TIME[ms]: 32, TOOLS_POST_CALL_APPLICATIONS: 11, TOOLS_POST_CALL_TIME[ms]: 247, TOOLS_POST_RETURN_APPLICATIONS: 8, TOOLS_POST_RETURN_TIME[ms]: 17, TOOLS_QUANTIFIERELIM_APPLICATIONS: 44, TOOLS_QUANTIFIERELIM_TIME[ms]: 267, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 123, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 40, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 8, DOMAIN_JOIN_TIME[ms]: 160, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 8, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 7, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 4, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 404, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 403, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 8, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 32, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 31, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 22, 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 56#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...