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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/loop-acceleration/multivar_1-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-14 02:28:01,236 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 02:28:01,239 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 02:28:01,258 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 02:28:01,259 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 02:28:01,261 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 02:28:01,263 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 02:28:01,276 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 02:28:01,279 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 02:28:01,280 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 02:28:01,283 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 02:28:01,285 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 02:28:01,285 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 02:28:01,288 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 02:28:01,291 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 02:28:01,293 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 02:28:01,295 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 02:28:01,297 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 02:28:01,300 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 02:28:01,305 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 02:28:01,310 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 02:28:01,313 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 02:28:01,316 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 02:28:01,317 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 02:28:01,321 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 02:28:01,321 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 02:28:01,321 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 02:28:01,323 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 02:28:01,325 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 02:28:01,326 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 02:28:01,326 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 02:28:01,327 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 02:28:01,328 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 02:28:01,328 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 02:28:01,330 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 02:28:01,330 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 02:28:01,331 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 02:28:01,331 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 02:28:01,331 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 02:28:01,332 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 02:28:01,334 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 02:28:01,335 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 [2019-10-14 02:28:01,354 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 02:28:01,354 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 02:28:01,357 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 02:28:01,357 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 02:28:01,357 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 02:28:01,357 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 02:28:01,358 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 02:28:01,358 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 02:28:01,358 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 02:28:01,358 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 02:28:01,359 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 02:28:01,360 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 02:28:01,360 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 02:28:01,360 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 02:28:01,360 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 02:28:01,361 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 02:28:01,361 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 02:28:01,361 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 02:28:01,361 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 02:28:01,361 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 02:28:01,362 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 02:28:01,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 02:28:01,362 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 02:28:01,362 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 02:28:01,362 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 02:28:01,363 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 02:28:01,363 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 02:28:01,363 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 02:28:01,363 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain 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: Simplification Technique -> SIMPLIFY_QUICK [2019-10-14 02:28:01,647 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 02:28:01,660 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 02:28:01,664 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 02:28:01,665 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 02:28:01,666 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 02:28:01,667 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/multivar_1-2.c [2019-10-14 02:28:01,730 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6337f8f2d/19bfaadf13b744f79f1b57a529b49ac7/FLAGc92136b04 [2019-10-14 02:28:02,238 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 02:28:02,239 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/multivar_1-2.c [2019-10-14 02:28:02,245 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6337f8f2d/19bfaadf13b744f79f1b57a529b49ac7/FLAGc92136b04 [2019-10-14 02:28:02,567 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6337f8f2d/19bfaadf13b744f79f1b57a529b49ac7 [2019-10-14 02:28:02,578 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 02:28:02,579 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 02:28:02,580 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 02:28:02,581 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 02:28:02,584 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 02:28:02,585 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:28:02" (1/1) ... [2019-10-14 02:28:02,588 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21ed8428 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:28:02, skipping insertion in model container [2019-10-14 02:28:02,589 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:28:02" (1/1) ... [2019-10-14 02:28:02,597 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 02:28:02,613 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 02:28:02,796 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 02:28:02,800 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 02:28:02,821 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 02:28:02,832 INFO L192 MainTranslator]: Completed translation [2019-10-14 02:28:02,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:28:02 WrapperNode [2019-10-14 02:28:02,833 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 02:28:02,834 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 02:28:02,834 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 02:28:02,834 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 02:28:02,933 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:28:02" (1/1) ... [2019-10-14 02:28:02,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:28:02" (1/1) ... [2019-10-14 02:28:02,939 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:28:02" (1/1) ... [2019-10-14 02:28:02,939 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:28:02" (1/1) ... [2019-10-14 02:28:02,943 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:28:02" (1/1) ... [2019-10-14 02:28:02,950 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:28:02" (1/1) ... [2019-10-14 02:28:02,951 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:28:02" (1/1) ... [2019-10-14 02:28:02,952 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 02:28:02,959 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 02:28:02,959 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 02:28:02,959 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 02:28:02,960 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:28:02" (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 [2019-10-14 02:28:03,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 02:28:03,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 02:28:03,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-14 02:28:03,014 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 02:28:03,014 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 02:28:03,014 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-14 02:28:03,014 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-14 02:28:03,014 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 02:28:03,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 02:28:03,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 02:28:03,196 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 02:28:03,196 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-14 02:28:03,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:28:03 BoogieIcfgContainer [2019-10-14 02:28:03,198 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 02:28:03,199 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-14 02:28:03,199 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-14 02:28:03,199 INFO L275 PluginConnector]: Sifa initialized [2019-10-14 02:28:03,200 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:28:03" (1/1) ... [2019-10-14 02:28:03,201 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-10-14 02:28:03,224 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-14 02:28:03,225 INFO L169 IcfgInterpreter]: Building call graph [2019-10-14 02:28:03,232 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-14 02:28:03,241 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-14 02:28:03,243 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-14 02:28:03,344 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-10-14 02:28:03,399 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 3 for LOIs [2019-10-14 02:28:03,422 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-14 02:28:03,422 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-14 02:28:03,424 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 25#(and (= |__VERIFIER_assert_#in~cond| 0) (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-14 02:28:03,446 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-14 02:28:03,446 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-14 02:28:03,449 INFO L168 Benchmark]: Toolchain (without parser) took 868.66 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 104.0 MB in the beginning and 160.9 MB in the end (delta: -56.8 MB). Peak memory consumption was 859.4 kB. Max. memory is 7.1 GB. [2019-10-14 02:28:03,450 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 145.8 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-14 02:28:03,451 INFO L168 Benchmark]: CACSL2BoogieTranslator took 253.03 ms. Allocated memory is still 145.8 MB. Free memory was 103.8 MB in the beginning and 94.5 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-10-14 02:28:03,452 INFO L168 Benchmark]: Boogie Preprocessor took 124.76 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 94.5 MB in the beginning and 182.2 MB in the end (delta: -87.7 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-10-14 02:28:03,453 INFO L168 Benchmark]: RCFGBuilder took 239.28 ms. Allocated memory is still 203.4 MB. Free memory was 182.2 MB in the beginning and 170.7 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2019-10-14 02:28:03,454 INFO L168 Benchmark]: Sifa took 247.60 ms. Allocated memory is still 203.4 MB. Free memory was 170.7 MB in the beginning and 160.9 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-10-14 02:28:03,458 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 145.8 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 253.03 ms. Allocated memory is still 145.8 MB. Free memory was 103.8 MB in the beginning and 94.5 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 124.76 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 94.5 MB in the beginning and 182.2 MB in the end (delta: -87.7 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 239.28 ms. Allocated memory is still 203.4 MB. Free memory was 182.2 MB in the beginning and 170.7 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. * Sifa took 247.60 ms. Allocated memory is still 203.4 MB. Free memory was 170.7 MB in the beginning and 160.9 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 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]: 200, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 11, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 7, TOOLS_POST_TIME[ms]: 12, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 23, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 11, TOOLS_QUANTIFIERELIM_TIME[ms]: 26, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 14, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 12, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 3, DOMAIN_JOIN_TIME[ms]: 88, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 1, DOMAIN_ISSUBSETEQ_TIME[ms]: 6, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 27, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 27, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 1, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 60, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 59, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 12, DAG_COMPRESSION_PROCESSED_NODES: 42, DAG_COMPRESSION_RETAINED_NODES: 28 - UnprovableResult [Line: 6]: 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 25#(and (= |__VERIFIER_assert_#in~cond| 0) (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (= 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...