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 InterpretCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/loops/string-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 21:21:10,241 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 21:21:10,243 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 21:21:10,255 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 21:21:10,255 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 21:21:10,259 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 21:21:10,263 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 21:21:10,265 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 21:21:10,269 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 21:21:10,270 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 21:21:10,276 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 21:21:10,281 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 21:21:10,281 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 21:21:10,282 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 21:21:10,285 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 21:21:10,287 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 21:21:10,287 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 21:21:10,290 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 21:21:10,293 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 21:21:10,298 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 21:21:10,302 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 21:21:10,306 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 21:21:10,307 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 21:21:10,308 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 21:21:10,313 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 21:21:10,313 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 21:21:10,313 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 21:21:10,315 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 21:21:10,316 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 21:21:10,317 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 21:21:10,317 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 21:21:10,319 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 21:21:10,320 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 21:21:10,321 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 21:21:10,322 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 21:21:10,324 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 21:21:10,325 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 21:21:10,326 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 21:21:10,326 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 21:21:10,327 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 21:21:10,330 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 21:21:10,331 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 21:21:10,356 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 21:21:10,356 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 21:21:10,358 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 21:21:10,358 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 21:21:10,359 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 21:21:10,359 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 21:21:10,359 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 21:21:10,359 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 21:21:10,359 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 21:21:10,360 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 21:21:10,361 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 21:21:10,361 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 21:21:10,361 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 21:21:10,362 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 21:21:10,362 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 21:21:10,362 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 21:21:10,362 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 21:21:10,363 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 21:21:10,363 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 21:21:10,363 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 21:21:10,364 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 21:21:10,364 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 21:21:10,364 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 21:21:10,364 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 21:21:10,365 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 21:21:10,365 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 21:21:10,365 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 21:21:10,365 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 21:21:10,365 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 -> InterpretCallSummarizer 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 21:21:10,421 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 21:21:10,434 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 21:21:10,438 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 21:21:10,439 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 21:21:10,440 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 21:21:10,440 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/string-1.i [2019-09-20 21:21:10,501 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25b4207a1/0d7d3227871746f5b89897ea65dea5d3/FLAG4b5098895 [2019-09-20 21:21:10,975 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 21:21:10,976 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/string-1.i [2019-09-20 21:21:10,984 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25b4207a1/0d7d3227871746f5b89897ea65dea5d3/FLAG4b5098895 [2019-09-20 21:21:11,342 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25b4207a1/0d7d3227871746f5b89897ea65dea5d3 [2019-09-20 21:21:11,352 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 21:21:11,353 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 21:21:11,354 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 21:21:11,354 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 21:21:11,358 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 21:21:11,359 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:21:11" (1/1) ... [2019-09-20 21:21:11,362 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a529cd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:21:11, skipping insertion in model container [2019-09-20 21:21:11,362 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:21:11" (1/1) ... [2019-09-20 21:21:11,369 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 21:21:11,386 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 21:21:11,569 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:21:11,572 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 21:21:11,595 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:21:11,703 INFO L192 MainTranslator]: Completed translation [2019-09-20 21:21:11,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:21:11 WrapperNode [2019-09-20 21:21:11,704 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 21:21:11,705 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 21:21:11,705 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 21:21:11,705 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 21:21:11,715 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:21:11" (1/1) ... [2019-09-20 21:21:11,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:21:11" (1/1) ... [2019-09-20 21:21:11,724 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:21:11" (1/1) ... [2019-09-20 21:21:11,724 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:21:11" (1/1) ... [2019-09-20 21:21:11,734 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:21:11" (1/1) ... [2019-09-20 21:21:11,744 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:21:11" (1/1) ... [2019-09-20 21:21:11,747 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:21:11" (1/1) ... [2019-09-20 21:21:11,750 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 21:21:11,751 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 21:21:11,751 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 21:21:11,751 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 21:21:11,752 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:21:11" (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 21:21:11,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 21:21:11,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 21:21:11,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 21:21:11,806 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 21:21:11,806 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 21:21:11,806 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 21:21:11,806 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 21:21:11,806 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-20 21:21:11,806 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 21:21:11,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 21:21:11,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 21:21:11,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 21:21:11,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 21:21:11,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 21:21:11,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 21:21:12,237 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 21:21:12,238 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 21:21:12,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:21:12 BoogieIcfgContainer [2019-09-20 21:21:12,239 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 21:21:12,240 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 21:21:12,240 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 21:21:12,240 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 21:21:12,242 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:21:12" (1/1) ... [2019-09-20 21:21:12,242 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ 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=InterpretCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 21:21:12,265 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 21:21:12,265 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 21:21:12,272 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 21:21:12,286 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 21:21:12,288 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 21:21:12,459 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 17 for LOIs [2019-09-20 21:21:14,660 WARN L191 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 84 [2019-09-20 21:21:15,288 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 42 [2019-09-20 21:21:15,959 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2019-09-20 21:21:16,636 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-09-20 21:21:16,813 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 3 for LOIs [2019-09-20 21:21:16,818 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 21:21:16,818 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 21:21:16,820 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 135#false [2019-09-20 21:21:16,826 INFO L100 SifaObserver]: ✔ All error locations are guaranteed to be unreachable. [2019-09-20 21:21:16,827 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 21:21:16,829 INFO L168 Benchmark]: Toolchain (without parser) took 5475.58 ms. Allocated memory was 132.6 MB in the beginning and 262.7 MB in the end (delta: 130.0 MB). Free memory was 89.3 MB in the beginning and 134.0 MB in the end (delta: -44.7 MB). Peak memory consumption was 85.3 MB. Max. memory is 7.1 GB. [2019-09-20 21:21:16,830 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 132.6 MB. Free memory was 107.1 MB in the beginning and 106.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 21:21:16,831 INFO L168 Benchmark]: CACSL2BoogieTranslator took 350.58 ms. Allocated memory was 132.6 MB in the beginning and 200.3 MB in the end (delta: 67.6 MB). Free memory was 89.1 MB in the beginning and 177.1 MB in the end (delta: -88.0 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. [2019-09-20 21:21:16,831 INFO L168 Benchmark]: Boogie Preprocessor took 45.32 ms. Allocated memory is still 200.3 MB. Free memory was 177.1 MB in the beginning and 174.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-09-20 21:21:16,832 INFO L168 Benchmark]: RCFGBuilder took 488.87 ms. Allocated memory is still 200.3 MB. Free memory was 174.7 MB in the beginning and 150.6 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. [2019-09-20 21:21:16,833 INFO L168 Benchmark]: Sifa took 4586.98 ms. Allocated memory was 200.3 MB in the beginning and 262.7 MB in the end (delta: 62.4 MB). Free memory was 150.6 MB in the beginning and 134.0 MB in the end (delta: 16.6 MB). Peak memory consumption was 79.0 MB. Max. memory is 7.1 GB. [2019-09-20 21:21:16,836 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 132.6 MB. Free memory was 107.1 MB in the beginning and 106.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 350.58 ms. Allocated memory was 132.6 MB in the beginning and 200.3 MB in the end (delta: 67.6 MB). Free memory was 89.1 MB in the beginning and 177.1 MB in the end (delta: -88.0 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 45.32 ms. Allocated memory is still 200.3 MB. Free memory was 177.1 MB in the beginning and 174.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 488.87 ms. Allocated memory is still 200.3 MB. Free memory was 174.7 MB in the beginning and 150.6 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. * Sifa took 4586.98 ms. Allocated memory was 200.3 MB in the beginning and 262.7 MB in the end (delta: 62.4 MB). Free memory was 150.6 MB in the beginning and 134.0 MB in the end (delta: 16.6 MB). Peak memory consumption was 79.0 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]: 4556, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 56, DAG_INTERPRETER_EARLY_EXITS: 2, TOOLS_POST_APPLICATIONS: 48, TOOLS_POST_TIME[ms]: 589, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 20, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 68, TOOLS_QUANTIFIERELIM_APPLICATIONS: 50, TOOLS_QUANTIFIERELIM_TIME[ms]: 653, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 356, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 73, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 21, DOMAIN_JOIN_TIME[ms]: 880, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 12, DOMAIN_WIDEN_TIME[ms]: 2863, DOMAIN_ISSUBSETEQ_APPLICATIONS: 17, DOMAIN_ISSUBSETEQ_TIME[ms]: 26, DOMAIN_ISBOTTOM_APPLICATIONS: 6, DOMAIN_ISBOTTOM_TIME[ms]: 4, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 4313, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4313, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 17, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 44, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 25, DAG_COMPRESSION_PROCESSED_NODES: 268, DAG_COMPRESSION_RETAINED_NODES: 76 - PositiveResult [Line: 6]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold RESULT: Ultimate proved your program to be correct! Received shutdown request...