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 IntervalDomain --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/SpamAssassin-loop.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 09:09:27,045 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:09:27,048 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:09:27,059 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:09:27,060 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:09:27,061 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:09:27,062 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:09:27,064 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:09:27,066 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:09:27,067 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:09:27,068 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:09:27,069 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:09:27,070 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:09:27,071 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:09:27,072 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:09:27,073 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:09:27,074 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:09:27,075 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:09:27,076 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:09:27,079 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:09:27,080 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:09:27,082 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:09:27,083 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:09:27,084 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:09:27,086 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 09:09:27,086 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 09:09:27,087 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 09:09:27,088 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 09:09:27,088 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 09:09:27,089 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 09:09:27,089 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 09:09:27,090 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 09:09:27,091 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 09:09:27,092 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 09:09:27,093 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 09:09:27,093 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 09:09:27,094 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 09:09:27,094 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 09:09:27,094 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:09:27,095 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:09:27,096 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:09:27,097 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 09:09:27,112 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:09:27,112 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:09:27,113 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:09:27,113 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:09:27,114 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:09:27,114 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:09:27,114 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:09:27,114 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:09:27,114 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:09:27,115 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:09:27,115 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:09:27,115 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:09:27,115 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:09:27,115 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:09:27,115 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:09:27,116 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:09:27,116 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:09:27,116 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:09:27,116 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:09:27,116 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:09:27,117 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:09:27,117 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:09:27,117 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:09:27,117 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:09:27,117 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:09:27,118 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:09:27,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:09:27,118 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:09:27,118 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain 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 09:09:27,150 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:09:27,163 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:09:27,166 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:09:27,168 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:09:27,168 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:09:27,169 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/SpamAssassin-loop.i [2019-09-21 09:09:27,229 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1583c9c8b/b315a11571e24ceab1cf83b7f46c0b5b/FLAG99752c343 [2019-09-21 09:09:27,681 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:09:27,682 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/SpamAssassin-loop.i [2019-09-21 09:09:27,690 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1583c9c8b/b315a11571e24ceab1cf83b7f46c0b5b/FLAG99752c343 [2019-09-21 09:09:28,076 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1583c9c8b/b315a11571e24ceab1cf83b7f46c0b5b [2019-09-21 09:09:28,089 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:09:28,090 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:09:28,091 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:09:28,091 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:09:28,095 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:09:28,096 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:09:28" (1/1) ... [2019-09-21 09:09:28,099 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5eea2757 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:09:28, skipping insertion in model container [2019-09-21 09:09:28,099 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:09:28" (1/1) ... [2019-09-21 09:09:28,107 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:09:28,127 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:09:28,334 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:09:28,339 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:09:28,358 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:09:28,370 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:09:28,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:09:28 WrapperNode [2019-09-21 09:09:28,370 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:09:28,371 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:09:28,371 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:09:28,371 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:09:28,474 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:09:28" (1/1) ... [2019-09-21 09:09:28,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:09:28" (1/1) ... [2019-09-21 09:09:28,481 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:09:28" (1/1) ... [2019-09-21 09:09:28,483 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:09:28" (1/1) ... [2019-09-21 09:09:28,493 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:09:28" (1/1) ... [2019-09-21 09:09:28,501 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:09:28" (1/1) ... [2019-09-21 09:09:28,507 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:09:28" (1/1) ... [2019-09-21 09:09:28,509 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:09:28,510 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:09:28,510 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:09:28,510 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:09:28,511 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:09:28" (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 09:09:28,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:09:28,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:09:28,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-21 09:09:28,575 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:09:28,575 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:09:28,575 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-21 09:09:28,575 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-21 09:09:28,575 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 09:09:28,575 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:09:28,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:09:28,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:09:28,880 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:09:28,880 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-21 09:09:28,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:09:28 BoogieIcfgContainer [2019-09-21 09:09:28,882 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:09:28,882 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:09:28,883 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:09:28,883 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:09:28,885 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:09:28" (1/1) ... [2019-09-21 09:09:28,885 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ 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 09:09:28,912 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 09:09:28,912 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:09:28,920 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:09:28,930 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:09:28,932 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:09:29,062 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-21 09:09:30,288 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-21 09:09:30,290 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 09:09:30,290 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 09:09:30,296 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 325#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) [2019-09-21 09:09:30,312 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 09:09:30,313 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 09:09:30,316 INFO L168 Benchmark]: Toolchain (without parser) took 2224.40 ms. Allocated memory was 131.1 MB in the beginning and 219.2 MB in the end (delta: 88.1 MB). Free memory was 85.7 MB in the beginning and 173.0 MB in the end (delta: -87.4 MB). Peak memory consumption was 721.2 kB. Max. memory is 7.1 GB. [2019-09-21 09:09:30,318 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 131.1 MB. Free memory was 105.3 MB in the beginning and 105.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 09:09:30,320 INFO L168 Benchmark]: CACSL2BoogieTranslator took 279.87 ms. Allocated memory is still 131.1 MB. Free memory was 85.5 MB in the beginning and 75.5 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-09-21 09:09:30,321 INFO L168 Benchmark]: Boogie Preprocessor took 138.46 ms. Allocated memory was 131.1 MB in the beginning and 199.2 MB in the end (delta: 68.2 MB). Free memory was 75.5 MB in the beginning and 175.5 MB in the end (delta: -99.9 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. [2019-09-21 09:09:30,322 INFO L168 Benchmark]: RCFGBuilder took 372.24 ms. Allocated memory is still 199.2 MB. Free memory was 175.5 MB in the beginning and 158.7 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 7.1 GB. [2019-09-21 09:09:30,328 INFO L168 Benchmark]: Sifa took 1430.29 ms. Allocated memory was 199.2 MB in the beginning and 219.2 MB in the end (delta: 19.9 MB). Free memory was 158.7 MB in the beginning and 173.0 MB in the end (delta: -14.4 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. [2019-09-21 09:09:30,342 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 131.1 MB. Free memory was 105.3 MB in the beginning and 105.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 279.87 ms. Allocated memory is still 131.1 MB. Free memory was 85.5 MB in the beginning and 75.5 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 138.46 ms. Allocated memory was 131.1 MB in the beginning and 199.2 MB in the end (delta: 68.2 MB). Free memory was 75.5 MB in the beginning and 175.5 MB in the end (delta: -99.9 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 372.24 ms. Allocated memory is still 199.2 MB. Free memory was 175.5 MB in the beginning and 158.7 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 7.1 GB. * Sifa took 1430.29 ms. Allocated memory was 199.2 MB in the beginning and 219.2 MB in the end (delta: 19.9 MB). Free memory was 158.7 MB in the beginning and 173.0 MB in the end (delta: -14.4 MB). Peak memory consumption was 5.6 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]: 1384, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 204, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 87, TOOLS_POST_TIME[ms]: 98, TOOLS_POST_CALL_APPLICATIONS: 100, TOOLS_POST_CALL_TIME[ms]: 492, TOOLS_POST_RETURN_APPLICATIONS: 83, TOOLS_POST_RETURN_TIME[ms]: 95, TOOLS_QUANTIFIERELIM_APPLICATIONS: 270, TOOLS_QUANTIFIERELIM_TIME[ms]: 534, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 23, FLUID_QUERY_TIME[ms]: 20, FLUID_QUERIES: 212, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 50, DOMAIN_JOIN_TIME[ms]: 391, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 5, DOMAIN_ISSUBSETEQ_APPLICATIONS: 8, DOMAIN_ISSUBSETEQ_TIME[ms]: 27, DOMAIN_ISBOTTOM_APPLICATIONS: 33, DOMAIN_ISBOTTOM_TIME[ms]: 79, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 920, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 919, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 8, CALL_SUMMARIZER_APPLICATIONS: 83, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 77, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 76, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 9, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 51, DAG_COMPRESSION_PROCESSED_NODES: 264, DAG_COMPRESSION_RETAINED_NODES: 118 - 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 325#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...