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/loops/nec11.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 09:47:41,420 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:47:41,424 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:47:41,442 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:47:41,442 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:47:41,444 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:47:41,446 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:47:41,458 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:47:41,460 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:47:41,461 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:47:41,462 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:47:41,463 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:47:41,463 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:47:41,464 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:47:41,465 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:47:41,466 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:47:41,467 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:47:41,468 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:47:41,469 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:47:41,471 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:47:41,472 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:47:41,473 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:47:41,474 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:47:41,475 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:47:41,477 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 09:47:41,477 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 09:47:41,478 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 09:47:41,478 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 09:47:41,479 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 09:47:41,480 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 09:47:41,480 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 09:47:41,481 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 09:47:41,481 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 09:47:41,482 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 09:47:41,483 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 09:47:41,483 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 09:47:41,484 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 09:47:41,484 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 09:47:41,484 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:47:41,485 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:47:41,486 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:47:41,487 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 09:47:41,501 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:47:41,501 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:47:41,503 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:47:41,503 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:47:41,503 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:47:41,503 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:47:41,504 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:47:41,504 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:47:41,504 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:47:41,504 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:47:41,504 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:47:41,504 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:47:41,505 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:47:41,505 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:47:41,505 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:47:41,505 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:47:41,505 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:47:41,506 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:47:41,506 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:47:41,506 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:47:41,506 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:47:41,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:47:41,507 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:47:41,507 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:47:41,507 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:47:41,507 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:47:41,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:47:41,508 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:47:41,508 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 09:47:41,548 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:47:41,560 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:47:41,563 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:47:41,564 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:47:41,565 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:47:41,565 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/nec11.c [2019-09-21 09:47:41,637 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a048eba45/49f410124f594675bb4f5ad74b618165/FLAG41f6386e9 [2019-09-21 09:47:42,164 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:47:42,165 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/nec11.c [2019-09-21 09:47:42,172 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a048eba45/49f410124f594675bb4f5ad74b618165/FLAG41f6386e9 [2019-09-21 09:47:42,497 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a048eba45/49f410124f594675bb4f5ad74b618165 [2019-09-21 09:47:42,509 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:47:42,511 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:47:42,512 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:47:42,512 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:47:42,515 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:47:42,516 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:47:42" (1/1) ... [2019-09-21 09:47:42,519 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51ca444f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:47:42, skipping insertion in model container [2019-09-21 09:47:42,519 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:47:42" (1/1) ... [2019-09-21 09:47:42,527 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:47:42,550 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:47:42,826 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:47:42,835 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:47:42,856 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:47:42,874 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:47:42,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:47:42 WrapperNode [2019-09-21 09:47:42,875 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:47:42,875 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:47:42,876 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:47:42,876 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:47:43,046 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:47:42" (1/1) ... [2019-09-21 09:47:43,047 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:47:42" (1/1) ... [2019-09-21 09:47:43,052 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:47:42" (1/1) ... [2019-09-21 09:47:43,054 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:47:42" (1/1) ... [2019-09-21 09:47:43,059 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:47:42" (1/1) ... [2019-09-21 09:47:43,065 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:47:42" (1/1) ... [2019-09-21 09:47:43,066 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:47:42" (1/1) ... [2019-09-21 09:47:43,068 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:47:43,068 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:47:43,068 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:47:43,068 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:47:43,069 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:47:42" (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 09:47:43,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:47:43,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:47:43,129 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-21 09:47:43,129 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:47:43,129 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:47:43,130 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-21 09:47:43,130 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-21 09:47:43,130 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:47:43,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:47:43,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:47:43,401 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:47:43,401 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-21 09:47:43,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:47:43 BoogieIcfgContainer [2019-09-21 09:47:43,403 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:47:43,404 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:47:43,404 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:47:43,404 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:47:43,406 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:47:43" (1/1) ... [2019-09-21 09:47:43,406 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 09:47:43,430 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 09:47:43,430 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:47:43,437 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:47:43,446 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:47:43,448 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:47:43,560 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-21 09:47:44,150 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:47:44,202 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:47:44,391 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:47:44,409 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:47:44,634 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:47:44,678 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 3 for LOIs [2019-09-21 09:47:44,696 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 09:47:44,697 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 09:47:44,699 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 69#(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)) [2019-09-21 09:47:44,719 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 09:47:44,720 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 09:47:44,723 INFO L168 Benchmark]: Toolchain (without parser) took 2210.67 ms. Allocated memory was 133.2 MB in the beginning and 203.9 MB in the end (delta: 70.8 MB). Free memory was 87.0 MB in the beginning and 85.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 72.7 MB. Max. memory is 7.1 GB. [2019-09-21 09:47:44,723 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 133.2 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 09:47:44,724 INFO L168 Benchmark]: CACSL2BoogieTranslator took 363.36 ms. Allocated memory is still 133.2 MB. Free memory was 86.8 MB in the beginning and 77.3 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-09-21 09:47:44,725 INFO L168 Benchmark]: Boogie Preprocessor took 192.28 ms. Allocated memory was 133.2 MB in the beginning and 203.9 MB in the end (delta: 70.8 MB). Free memory was 77.3 MB in the beginning and 180.8 MB in the end (delta: -103.6 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-09-21 09:47:44,733 INFO L168 Benchmark]: RCFGBuilder took 335.54 ms. Allocated memory is still 203.9 MB. Free memory was 180.8 MB in the beginning and 166.8 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. [2019-09-21 09:47:44,734 INFO L168 Benchmark]: Sifa took 1315.98 ms. Allocated memory is still 203.9 MB. Free memory was 166.8 MB in the beginning and 85.1 MB in the end (delta: 81.7 MB). Peak memory consumption was 81.7 MB. Max. memory is 7.1 GB. [2019-09-21 09:47:44,742 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 133.2 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 363.36 ms. Allocated memory is still 133.2 MB. Free memory was 86.8 MB in the beginning and 77.3 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 192.28 ms. Allocated memory was 133.2 MB in the beginning and 203.9 MB in the end (delta: 70.8 MB). Free memory was 77.3 MB in the beginning and 180.8 MB in the end (delta: -103.6 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 335.54 ms. Allocated memory is still 203.9 MB. Free memory was 180.8 MB in the beginning and 166.8 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. * Sifa took 1315.98 ms. Allocated memory is still 203.9 MB. Free memory was 166.8 MB in the beginning and 85.1 MB in the end (delta: 81.7 MB). Peak memory consumption was 81.7 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]: 1269, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 15, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 11, TOOLS_POST_TIME[ms]: 742, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 21, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 15, TOOLS_QUANTIFIERELIM_TIME[ms]: 743, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 259, FLUID_QUERY_TIME[ms]: 7, FLUID_QUERIES: 20, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 7, DOMAIN_JOIN_TIME[ms]: 187, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 217, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME[ms]: 13, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1092, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1091, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 58, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 58, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 15, DAG_COMPRESSION_PROCESSED_NODES: 44, DAG_COMPRESSION_RETAINED_NODES: 28 - 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 69#(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...