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.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/loop-invgen/NetBSD_loop.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 09:48:36,232 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:48:36,234 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:48:36,245 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:48:36,246 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:48:36,247 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:48:36,248 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:48:36,250 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:48:36,252 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:48:36,253 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:48:36,254 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:48:36,255 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:48:36,255 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:48:36,256 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:48:36,257 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:48:36,258 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:48:36,259 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:48:36,260 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:48:36,262 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:48:36,264 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:48:36,265 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:48:36,266 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:48:36,267 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:48:36,268 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:48:36,270 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 09:48:36,271 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 09:48:36,271 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 09:48:36,272 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 09:48:36,272 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 09:48:36,273 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 09:48:36,274 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 09:48:36,274 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 09:48:36,275 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 09:48:36,276 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 09:48:36,277 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 09:48:36,277 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 09:48:36,278 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 09:48:36,278 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 09:48:36,278 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:48:36,279 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:48:36,280 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:48:36,281 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 [2019-09-21 09:48:36,297 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:48:36,297 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:48:36,299 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:48:36,299 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:48:36,299 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:48:36,299 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:48:36,300 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:48:36,300 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:48:36,300 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:48:36,303 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:48:36,303 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:48:36,304 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:48:36,304 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:48:36,304 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:48:36,304 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:48:36,304 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:48:36,305 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:48:36,305 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:48:36,305 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:48:36,306 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:48:36,307 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:48:36,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:48:36,307 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:48:36,307 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:48:36,307 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:48:36,308 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:48:36,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:48:36,308 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:48:36,309 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: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-21 09:48:36,361 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:48:36,374 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:48:36,377 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:48:36,379 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:48:36,379 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:48:36,380 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/NetBSD_loop.i [2019-09-21 09:48:36,445 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81e5b7815/6bd8780a5c5440e5bde8e3b52903b924/FLAG69cd51bda [2019-09-21 09:48:36,890 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:48:36,891 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/NetBSD_loop.i [2019-09-21 09:48:36,897 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81e5b7815/6bd8780a5c5440e5bde8e3b52903b924/FLAG69cd51bda [2019-09-21 09:48:37,339 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81e5b7815/6bd8780a5c5440e5bde8e3b52903b924 [2019-09-21 09:48:37,349 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:48:37,350 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:48:37,351 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:48:37,352 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:48:37,355 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:48:37,355 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:48:37" (1/1) ... [2019-09-21 09:48:37,358 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35e98aa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:48:37, skipping insertion in model container [2019-09-21 09:48:37,358 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:48:37" (1/1) ... [2019-09-21 09:48:37,366 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:48:37,383 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:48:37,583 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:48:37,587 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:48:37,602 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:48:37,616 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:48:37,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:48:37 WrapperNode [2019-09-21 09:48:37,616 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:48:37,617 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:48:37,617 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:48:37,617 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:48:37,721 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:48:37" (1/1) ... [2019-09-21 09:48:37,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:48:37" (1/1) ... [2019-09-21 09:48:37,726 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:48:37" (1/1) ... [2019-09-21 09:48:37,726 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:48:37" (1/1) ... [2019-09-21 09:48:37,730 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:48:37" (1/1) ... [2019-09-21 09:48:37,735 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:48:37" (1/1) ... [2019-09-21 09:48:37,735 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:48:37" (1/1) ... [2019-09-21 09:48:37,737 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:48:37,737 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:48:37,737 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:48:37,738 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:48:37,738 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:48:37" (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 [2019-09-21 09:48:37,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:48:37,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:48:37,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-21 09:48:37,789 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:48:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:48:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-21 09:48:37,790 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-21 09:48:37,790 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 09:48:37,790 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:48:37,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:48:37,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:48:38,017 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:48:38,017 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-21 09:48:38,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:48:38 BoogieIcfgContainer [2019-09-21 09:48:38,019 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:48:38,020 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:48:38,020 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:48:38,021 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:48:38,022 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:48:38" (1/1) ... [2019-09-21 09:48:38,023 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ 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_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 09:48:38,067 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 09:48:38,068 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:48:38,075 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:48:38,083 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:48:38,085 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:48:38,176 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-21 09:48:40,623 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2019-09-21 09:48:40,857 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 196 [2019-09-21 09:48:41,438 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2019-09-21 09:48:41,547 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2019-09-21 09:48:41,730 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 238 [2019-09-21 09:48:41,929 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2019-09-21 09:48:42,043 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2019-09-21 09:48:42,383 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 288 [2019-09-21 09:48:42,518 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 288 [2019-09-21 09:48:42,740 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 273 [2019-09-21 09:48:43,425 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 297 [2019-09-21 09:48:43,526 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 9 for LOIs [2019-09-21 09:48:43,529 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 09:48:43,529 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 09:48:43,532 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 328#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (or (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| 0)) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-21 09:48:43,543 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 09:48:43,544 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 09:48:43,546 INFO L168 Benchmark]: Toolchain (without parser) took 6195.32 ms. Allocated memory was 140.0 MB in the beginning and 385.9 MB in the end (delta: 245.9 MB). Free memory was 87.4 MB in the beginning and 353.3 MB in the end (delta: -266.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-21 09:48:43,547 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 140.0 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 09:48:43,548 INFO L168 Benchmark]: CACSL2BoogieTranslator took 265.41 ms. Allocated memory is still 140.0 MB. Free memory was 87.0 MB in the beginning and 77.7 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-09-21 09:48:43,549 INFO L168 Benchmark]: Boogie Preprocessor took 119.83 ms. Allocated memory was 140.0 MB in the beginning and 199.8 MB in the end (delta: 59.8 MB). Free memory was 77.7 MB in the beginning and 177.7 MB in the end (delta: -100.0 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-09-21 09:48:43,550 INFO L168 Benchmark]: RCFGBuilder took 282.32 ms. Allocated memory is still 199.8 MB. Free memory was 177.7 MB in the beginning and 164.3 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. [2019-09-21 09:48:43,551 INFO L168 Benchmark]: Sifa took 5523.88 ms. Allocated memory was 199.8 MB in the beginning and 385.9 MB in the end (delta: 186.1 MB). Free memory was 164.3 MB in the beginning and 353.3 MB in the end (delta: -189.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-21 09:48:43,554 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 140.0 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 265.41 ms. Allocated memory is still 140.0 MB. Free memory was 87.0 MB in the beginning and 77.7 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 119.83 ms. Allocated memory was 140.0 MB in the beginning and 199.8 MB in the end (delta: 59.8 MB). Free memory was 77.7 MB in the beginning and 177.7 MB in the end (delta: -100.0 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 282.32 ms. Allocated memory is still 199.8 MB. Free memory was 177.7 MB in the beginning and 164.3 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. * Sifa took 5523.88 ms. Allocated memory was 199.8 MB in the beginning and 385.9 MB in the end (delta: 186.1 MB). Free memory was 164.3 MB in the beginning and 353.3 MB in the end (delta: -189.0 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 5464, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 61, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 34, TOOLS_POST_TIME[ms]: 71, TOOLS_POST_CALL_APPLICATIONS: 26, TOOLS_POST_CALL_TIME[ms]: 1010, TOOLS_POST_RETURN_APPLICATIONS: 23, TOOLS_POST_RETURN_TIME[ms]: 116, TOOLS_QUANTIFIERELIM_APPLICATIONS: 83, TOOLS_QUANTIFIERELIM_TIME[ms]: 1109, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 348, FLUID_QUERY_TIME[ms]: 7, FLUID_QUERIES: 71, FLUID_YES_ANSWERS: 4, DOMAIN_JOIN_APPLICATIONS: 16, DOMAIN_JOIN_TIME[ms]: 1547, DOMAIN_ALPHA_APPLICATIONS: 4, DOMAIN_ALPHA_TIME[ms]: 125, DOMAIN_WIDEN_APPLICATIONS: 9, DOMAIN_WIDEN_TIME[ms]: 2435, DOMAIN_ISSUBSETEQ_APPLICATIONS: 10, DOMAIN_ISSUBSETEQ_TIME[ms]: 67, DOMAIN_ISBOTTOM_APPLICATIONS: 3, DOMAIN_ISBOTTOM_TIME[ms]: 6, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 5244, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 5244, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 10, CALL_SUMMARIZER_APPLICATIONS: 23, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 77, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 76, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 18, DAG_COMPRESSION_PROCESSED_NODES: 69, DAG_COMPRESSION_RETAINED_NODES: 38 - 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 328#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (or (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| 0)) (<= |__VERIFIER_assert_#in~cond| 1) (<= 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...