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/eca-rers2012/Problem02_label14.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-14 00:53:24,971 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 00:53:24,973 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 00:53:24,988 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 00:53:24,988 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 00:53:24,989 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 00:53:24,991 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 00:53:24,993 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 00:53:24,995 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 00:53:24,996 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 00:53:24,997 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 00:53:24,998 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 00:53:24,999 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 00:53:25,000 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 00:53:25,003 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 00:53:25,005 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 00:53:25,006 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 00:53:25,007 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 00:53:25,012 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 00:53:25,016 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 00:53:25,020 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 00:53:25,024 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 00:53:25,028 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 00:53:25,029 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 00:53:25,032 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 00:53:25,033 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 00:53:25,033 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 00:53:25,035 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 00:53:25,036 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 00:53:25,037 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 00:53:25,037 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 00:53:25,038 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 00:53:25,039 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 00:53:25,040 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 00:53:25,041 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 00:53:25,041 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 00:53:25,042 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 00:53:25,042 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 00:53:25,042 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 00:53:25,043 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 00:53:25,044 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 00:53:25,045 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-14 00:53:25,059 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 00:53:25,059 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 00:53:25,061 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 00:53:25,061 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 00:53:25,061 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 00:53:25,061 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 00:53:25,062 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 00:53:25,062 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 00:53:25,062 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 00:53:25,062 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 00:53:25,062 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 00:53:25,063 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 00:53:25,063 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 00:53:25,063 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 00:53:25,063 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 00:53:25,063 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 00:53:25,064 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 00:53:25,064 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 00:53:25,064 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 00:53:25,064 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 00:53:25,065 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 00:53:25,065 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 00:53:25,065 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 00:53:25,065 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 00:53:25,065 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 00:53:25,066 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 00:53:25,066 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 00:53:25,066 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 00:53:25,066 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-14 00:53:25,385 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 00:53:25,399 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 00:53:25,403 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 00:53:25,405 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 00:53:25,405 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 00:53:25,406 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label14.c [2019-10-14 00:53:25,487 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f51558817/5ca14524119b4b109637b5981276892a/FLAG1e67b79a0 [2019-10-14 00:53:26,115 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 00:53:26,116 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label14.c [2019-10-14 00:53:26,131 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f51558817/5ca14524119b4b109637b5981276892a/FLAG1e67b79a0 [2019-10-14 00:53:26,365 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f51558817/5ca14524119b4b109637b5981276892a [2019-10-14 00:53:26,378 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 00:53:26,380 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 00:53:26,383 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 00:53:26,384 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 00:53:26,387 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 00:53:26,388 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:53:26" (1/1) ... [2019-10-14 00:53:26,392 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3306400a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:53:26, skipping insertion in model container [2019-10-14 00:53:26,392 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:53:26" (1/1) ... [2019-10-14 00:53:26,401 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 00:53:26,462 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 00:53:27,007 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:53:27,019 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 00:53:27,189 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:53:27,206 INFO L192 MainTranslator]: Completed translation [2019-10-14 00:53:27,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:53:27 WrapperNode [2019-10-14 00:53:27,207 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 00:53:27,208 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 00:53:27,208 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 00:53:27,208 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 00:53:27,219 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:53:27" (1/1) ... [2019-10-14 00:53:27,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:53:27" (1/1) ... [2019-10-14 00:53:27,236 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:53:27" (1/1) ... [2019-10-14 00:53:27,237 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:53:27" (1/1) ... [2019-10-14 00:53:27,277 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:53:27" (1/1) ... [2019-10-14 00:53:27,295 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:53:27" (1/1) ... [2019-10-14 00:53:27,303 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:53:27" (1/1) ... [2019-10-14 00:53:27,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 00:53:27,312 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 00:53:27,312 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 00:53:27,312 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 00:53:27,313 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:53:27" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 00:53:27,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 00:53:27,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 00:53:27,377 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-14 00:53:27,377 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 00:53:27,378 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-14 00:53:27,378 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 00:53:27,378 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 00:53:27,378 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-14 00:53:27,378 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 00:53:27,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 00:53:27,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 00:53:29,557 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 00:53:29,558 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-14 00:53:29,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:53:29 BoogieIcfgContainer [2019-10-14 00:53:29,560 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 00:53:29,561 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-14 00:53:29,561 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-14 00:53:29,561 INFO L275 PluginConnector]: Sifa initialized [2019-10-14 00:53:29,563 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:53:29" (1/1) ... [2019-10-14 00:53:29,564 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-10-14 00:53:29,599 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-14 00:53:29,599 INFO L169 IcfgInterpreter]: Building call graph [2019-10-14 00:53:29,608 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-14 00:53:29,617 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-14 00:53:29,618 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-14 00:53:29,906 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 87 for LOIs [2019-10-14 00:53:30,439 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 37 [2019-10-14 00:53:30,575 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 37 [2019-10-14 00:53:30,671 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 37 [2019-10-14 00:53:30,827 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 15 [2019-10-14 00:53:30,843 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 24 [2019-10-14 00:53:32,204 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 78 for LOIs [2019-10-14 00:53:32,968 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 37 [2019-10-14 00:53:33,115 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 37 [2019-10-14 00:53:33,351 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-14 00:53:33,352 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-14 00:53:33,354 INFO L193 IcfgInterpreter]: Reachable states at location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 3114#(and (<= 21 ~u~0) (<= 1 calculate_output_~input) (<= ~x~0 24) (<= 1 |calculate_output_#in~input|) (<= 6 ~f~0) (<= |calculate_output_#in~input| 6) (<= 1 ~a~0) (= ~a21~0 1) (<= 23 ~w~0) (<= 3 ~c~0) (<= ~c~0 3) (<= ~z~0 26) (= ~a28~0 9) (not (= ~a19~0 1)) (<= ~a17~0 7) (<= 9 ~a28~0) (= ~a11~0 1) (<= ~w~0 23) (<= ~a28~0 9) (<= 7 ~a17~0) (<= 5 ~e~0) (<= ~a~0 1) (<= 1 ~a11~0) (<= 1 ~a21~0) (<= ~d~0 4) (not (= ~a25~0 1)) (<= 25 ~y~0) (<= ~y~0 25) (<= 22 ~v~0) (<= ~a21~0 1) (<= calculate_output_~input 6) (<= ~f~0 6) (<= ~a11~0 1) (= ~a17~0 7) (<= 4 ~d~0) (<= ~v~0 22) (<= ~u~0 21) (<= 26 ~z~0) (<= 24 ~x~0) (<= ~e~0 5)) [2019-10-14 00:53:33,371 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-14 00:53:33,371 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-14 00:53:33,375 INFO L168 Benchmark]: Toolchain (without parser) took 6993.95 ms. Allocated memory was 144.7 MB in the beginning and 345.5 MB in the end (delta: 200.8 MB). Free memory was 100.8 MB in the beginning and 291.9 MB in the end (delta: -191.1 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-10-14 00:53:33,376 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 144.7 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-14 00:53:33,377 INFO L168 Benchmark]: CACSL2BoogieTranslator took 824.06 ms. Allocated memory was 144.7 MB in the beginning and 203.4 MB in the end (delta: 58.7 MB). Free memory was 100.6 MB in the beginning and 167.5 MB in the end (delta: -67.0 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. [2019-10-14 00:53:33,378 INFO L168 Benchmark]: Boogie Preprocessor took 103.77 ms. Allocated memory is still 203.4 MB. Free memory was 167.5 MB in the beginning and 162.6 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2019-10-14 00:53:33,380 INFO L168 Benchmark]: RCFGBuilder took 2248.50 ms. Allocated memory was 203.4 MB in the beginning and 252.2 MB in the end (delta: 48.8 MB). Free memory was 162.6 MB in the beginning and 203.9 MB in the end (delta: -41.3 MB). Peak memory consumption was 116.0 MB. Max. memory is 7.1 GB. [2019-10-14 00:53:33,381 INFO L168 Benchmark]: Sifa took 3810.89 ms. Allocated memory was 252.2 MB in the beginning and 345.5 MB in the end (delta: 93.3 MB). Free memory was 203.9 MB in the beginning and 291.9 MB in the end (delta: -88.0 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. [2019-10-14 00:53:33,385 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 144.7 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 824.06 ms. Allocated memory was 144.7 MB in the beginning and 203.4 MB in the end (delta: 58.7 MB). Free memory was 100.6 MB in the beginning and 167.5 MB in the end (delta: -67.0 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 103.77 ms. Allocated memory is still 203.4 MB. Free memory was 167.5 MB in the beginning and 162.6 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2248.50 ms. Allocated memory was 203.4 MB in the beginning and 252.2 MB in the end (delta: 48.8 MB). Free memory was 162.6 MB in the beginning and 203.9 MB in the end (delta: -41.3 MB). Peak memory consumption was 116.0 MB. Max. memory is 7.1 GB. * Sifa took 3810.89 ms. Allocated memory was 252.2 MB in the beginning and 345.5 MB in the end (delta: 93.3 MB). Free memory was 203.9 MB in the beginning and 291.9 MB in the end (delta: -88.0 MB). Peak memory consumption was 5.3 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]: 3756, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 250, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 244, TOOLS_POST_TIME[ms]: 173, TOOLS_POST_CALL_APPLICATIONS: 5, TOOLS_POST_CALL_TIME[ms]: 47, TOOLS_POST_RETURN_APPLICATIONS: 3, TOOLS_POST_RETURN_TIME[ms]: 13, TOOLS_QUANTIFIERELIM_APPLICATIONS: 252, TOOLS_QUANTIFIERELIM_TIME[ms]: 162, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 20, FLUID_QUERY_TIME[ms]: 15, FLUID_QUERIES: 252, FLUID_YES_ANSWERS: 114, DOMAIN_JOIN_APPLICATIONS: 81, DOMAIN_JOIN_TIME[ms]: 1288, DOMAIN_ALPHA_APPLICATIONS: 114, DOMAIN_ALPHA_TIME[ms]: 1852, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 73, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 7, DOMAIN_ISBOTTOM_APPLICATIONS: 76, DOMAIN_ISBOTTOM_TIME[ms]: 121, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2280, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2279, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 3, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 2188, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2187, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 10, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 58, DAG_COMPRESSION_PROCESSED_NODES: 1344, DAG_COMPRESSION_RETAINED_NODES: 187 - UnprovableResult [Line: 523]: 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 3114#(and (<= 21 ~u~0) (<= 1 calculate_output_~input) (<= ~x~0 24) (<= 1 |calculate_output_#in~input|) (<= 6 ~f~0) (<= |calculate_output_#in~input| 6) (<= 1 ~a~0) (= ~a21~0 1) (<= 23 ~w~0) (<= 3 ~c~0) (<= ~c~0 3) (<= ~z~0 26) (= ~a28~0 9) (not (= ~a19~0 1)) (<= ~a17~0 7) (<= 9 ~a28~0) (= ~a11~0 1) (<= ~w~0 23) (<= ~a28~0 9) (<= 7 ~a17~0) (<= 5 ~e~0) (<= ~a~0 1) (<= 1 ~a11~0) (<= 1 ~a21~0) (<= ~d~0 4) (not (= ~a25~0 1)) (<= 25 ~y~0) (<= ~y~0 25) (<= 22 ~v~0) (<= ~a21~0 1) (<= calculate_output_~input 6) (<= ~f~0 6) (<= ~a11~0 1) (= ~a17~0 7) (<= 4 ~d~0) (<= ~v~0 22) (<= ~u~0 21) (<= 26 ~z~0) (<= 24 ~x~0) (<= ~e~0 5)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...