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-invgen/nested6.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-04 09:27:31,942 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-04 09:27:31,947 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-04 09:27:31,968 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-04 09:27:31,968 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-04 09:27:31,970 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-04 09:27:31,972 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-04 09:27:31,975 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-04 09:27:31,976 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-04 09:27:31,979 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-04 09:27:31,980 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-04 09:27:31,982 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-04 09:27:31,982 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-04 09:27:31,987 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-04 09:27:31,988 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-04 09:27:31,989 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-04 09:27:31,990 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-04 09:27:31,990 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-04 09:27:31,992 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-04 09:27:31,994 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-04 09:27:31,995 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-04 09:27:31,996 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-04 09:27:31,997 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-04 09:27:31,998 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-04 09:27:32,000 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-04 09:27:32,000 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-04 09:27:32,001 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-04 09:27:32,001 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-04 09:27:32,002 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-04 09:27:32,003 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-04 09:27:32,003 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-04 09:27:32,004 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-04 09:27:32,004 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-04 09:27:32,005 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-04 09:27:32,006 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-04 09:27:32,006 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-04 09:27:32,007 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-04 09:27:32,007 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-04 09:27:32,007 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-04 09:27:32,008 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-04 09:27:32,009 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-04 09:27:32,010 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 [2019-10-04 09:27:32,024 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-04 09:27:32,024 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-04 09:27:32,025 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-04 09:27:32,025 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-04 09:27:32,026 INFO L138 SettingsManager]: * Use SBE=true [2019-10-04 09:27:32,026 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-04 09:27:32,026 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-04 09:27:32,026 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-04 09:27:32,027 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-04 09:27:32,027 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-04 09:27:32,027 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-04 09:27:32,027 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-04 09:27:32,027 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-04 09:27:32,027 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-04 09:27:32,028 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-04 09:27:32,028 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-04 09:27:32,028 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-04 09:27:32,028 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-04 09:27:32,028 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-04 09:27:32,029 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-04 09:27:32,029 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-04 09:27:32,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-04 09:27:32,029 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-04 09:27:32,029 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-04 09:27:32,030 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-04 09:27:32,030 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-04 09:27:32,030 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-04 09:27:32,030 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-04 09:27:32,030 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 [2019-10-04 09:27:32,061 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-04 09:27:32,076 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-04 09:27:32,081 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-04 09:27:32,085 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-04 09:27:32,085 INFO L275 PluginConnector]: CDTParser initialized [2019-10-04 09:27:32,086 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/nested6.i [2019-10-04 09:27:32,166 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3f9a5d2c/f9f6bb0947bc4da0be1496a34b693d95/FLAGd798390f7 [2019-10-04 09:27:32,604 INFO L306 CDTParser]: Found 1 translation units. [2019-10-04 09:27:32,605 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/nested6.i [2019-10-04 09:27:32,613 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3f9a5d2c/f9f6bb0947bc4da0be1496a34b693d95/FLAGd798390f7 [2019-10-04 09:27:33,004 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3f9a5d2c/f9f6bb0947bc4da0be1496a34b693d95 [2019-10-04 09:27:33,017 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-04 09:27:33,019 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-04 09:27:33,020 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-04 09:27:33,020 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-04 09:27:33,024 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-04 09:27:33,025 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 09:27:33" (1/1) ... [2019-10-04 09:27:33,028 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c18f7d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:27:33, skipping insertion in model container [2019-10-04 09:27:33,028 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 09:27:33" (1/1) ... [2019-10-04 09:27:33,035 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-04 09:27:33,050 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-04 09:27:33,220 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 09:27:33,226 INFO L188 MainTranslator]: Completed pre-run [2019-10-04 09:27:33,245 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 09:27:33,259 INFO L192 MainTranslator]: Completed translation [2019-10-04 09:27:33,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:27:33 WrapperNode [2019-10-04 09:27:33,260 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-04 09:27:33,261 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-04 09:27:33,261 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-04 09:27:33,261 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-04 09:27:33,364 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:27:33" (1/1) ... [2019-10-04 09:27:33,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:27:33" (1/1) ... [2019-10-04 09:27:33,368 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:27:33" (1/1) ... [2019-10-04 09:27:33,369 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:27:33" (1/1) ... [2019-10-04 09:27:33,372 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:27:33" (1/1) ... [2019-10-04 09:27:33,380 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:27:33" (1/1) ... [2019-10-04 09:27:33,381 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:27:33" (1/1) ... [2019-10-04 09:27:33,383 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-04 09:27:33,383 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-04 09:27:33,384 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-04 09:27:33,384 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-04 09:27:33,385 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:27:33" (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 [2019-10-04 09:27:33,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-04 09:27:33,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-04 09:27:33,439 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-04 09:27:33,439 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-04 09:27:33,439 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-04 09:27:33,439 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-04 09:27:33,439 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-04 09:27:33,439 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-04 09:27:33,440 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-04 09:27:33,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-04 09:27:33,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-04 09:27:33,709 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-04 09:27:33,709 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-10-04 09:27:33,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 09:27:33 BoogieIcfgContainer [2019-10-04 09:27:33,711 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-04 09:27:33,712 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-04 09:27:33,712 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-04 09:27:33,712 INFO L275 PluginConnector]: Sifa initialized [2019-10-04 09:27:33,713 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 09:27:33" (1/1) ... [2019-10-04 09:27:33,714 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 [2019-10-04 09:27:33,767 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-04 09:27:33,767 INFO L169 IcfgInterpreter]: Building call graph [2019-10-04 09:27:33,777 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-04 09:27:33,794 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-04 09:27:33,795 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-04 09:27:33,884 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-10-04 09:27:35,142 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 9 for LOIs [2019-10-04 09:27:35,150 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-04 09:27:35,150 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-04 09:27:35,153 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 282#(and (<= __VERIFIER_assert_~cond 0) (<= |__VERIFIER_assert_#in~cond| 0) (or (and (= |__VERIFIER_assert_#in~cond| 1) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 0 __VERIFIER_assert_~cond)) [2019-10-04 09:27:35,170 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-04 09:27:35,171 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-04 09:27:35,175 INFO L168 Benchmark]: Toolchain (without parser) took 2153.49 ms. Allocated memory was 140.5 MB in the beginning and 226.5 MB in the end (delta: 86.0 MB). Free memory was 88.2 MB in the beginning and 161.8 MB in the end (delta: -73.6 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB. [2019-10-04 09:27:35,176 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 140.5 MB. Free memory was 106.5 MB in the beginning and 106.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-04 09:27:35,178 INFO L168 Benchmark]: CACSL2BoogieTranslator took 240.54 ms. Allocated memory is still 140.5 MB. Free memory was 88.0 MB in the beginning and 78.4 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-10-04 09:27:35,180 INFO L168 Benchmark]: Boogie Preprocessor took 122.05 ms. Allocated memory was 140.5 MB in the beginning and 200.3 MB in the end (delta: 59.8 MB). Free memory was 78.4 MB in the beginning and 178.2 MB in the end (delta: -99.8 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2019-10-04 09:27:35,181 INFO L168 Benchmark]: RCFGBuilder took 327.80 ms. Allocated memory is still 200.3 MB. Free memory was 177.6 MB in the beginning and 162.3 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 7.1 GB. [2019-10-04 09:27:35,187 INFO L168 Benchmark]: Sifa took 1459.19 ms. Allocated memory was 200.3 MB in the beginning and 226.5 MB in the end (delta: 26.2 MB). Free memory was 162.3 MB in the beginning and 161.8 MB in the end (delta: 489.0 kB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2019-10-04 09:27:35,199 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 140.5 MB. Free memory was 106.5 MB in the beginning and 106.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 240.54 ms. Allocated memory is still 140.5 MB. Free memory was 88.0 MB in the beginning and 78.4 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.05 ms. Allocated memory was 140.5 MB in the beginning and 200.3 MB in the end (delta: 59.8 MB). Free memory was 78.4 MB in the beginning and 178.2 MB in the end (delta: -99.8 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 327.80 ms. Allocated memory is still 200.3 MB. Free memory was 177.6 MB in the beginning and 162.3 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 7.1 GB. * Sifa took 1459.19 ms. Allocated memory was 200.3 MB in the beginning and 226.5 MB in the end (delta: 26.2 MB). Free memory was 162.3 MB in the beginning and 161.8 MB in the end (delta: 489.0 kB). Peak memory consumption was 26.7 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]: 1387, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 96, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 62, TOOLS_POST_TIME[ms]: 94, TOOLS_POST_CALL_APPLICATIONS: 22, TOOLS_POST_CALL_TIME[ms]: 251, TOOLS_POST_RETURN_APPLICATIONS: 18, TOOLS_POST_RETURN_TIME[ms]: 64, TOOLS_QUANTIFIERELIM_APPLICATIONS: 102, TOOLS_QUANTIFIERELIM_TIME[ms]: 349, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 63, FLUID_QUERY_TIME[ms]: 10, FLUID_QUERIES: 114, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 27, DOMAIN_JOIN_TIME[ms]: 538, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 9, DOMAIN_WIDEN_TIME[ms]: 255, DOMAIN_ISSUBSETEQ_APPLICATIONS: 18, DOMAIN_ISSUBSETEQ_TIME[ms]: 65, DOMAIN_ISBOTTOM_APPLICATIONS: 6, DOMAIN_ISBOTTOM_TIME[ms]: 11, LOOP_SUMMARIZER_APPLICATIONS: 9, LOOP_SUMMARIZER_CACHE_MISSES: 9, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1127, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1126, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 18, CALL_SUMMARIZER_APPLICATIONS: 18, 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]: 2, DAG_COMPRESSION_TIME[ms]: 24, DAG_COMPRESSION_PROCESSED_NODES: 124, DAG_COMPRESSION_RETAINED_NODES: 61 - 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 282#(and (<= __VERIFIER_assert_~cond 0) (<= |__VERIFIER_assert_#in~cond| 0) (or (and (= |__VERIFIER_assert_#in~cond| 1) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 0 __VERIFIER_assert_~cond)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...