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 -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label55.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 01:47:34,175 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 01:47:34,177 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 01:47:34,189 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 01:47:34,189 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 01:47:34,190 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 01:47:34,191 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 01:47:34,193 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 01:47:34,195 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 01:47:34,196 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 01:47:34,197 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 01:47:34,198 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 01:47:34,198 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 01:47:34,199 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 01:47:34,200 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 01:47:34,201 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 01:47:34,202 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 01:47:34,206 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 01:47:34,209 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 01:47:34,211 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 01:47:34,217 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 01:47:34,218 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 01:47:34,219 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 01:47:34,222 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 01:47:34,225 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-06 01:47:34,230 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 01:47:34,235 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 01:47:34,236 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 01:47:34,237 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 01:47:34,238 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 01:47:34,238 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 01:47:34,239 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 01:47:34,242 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 01:47:34,242 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 01:47:34,244 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 01:47:34,245 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 01:47:34,245 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 [2019-09-06 01:47:34,274 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 01:47:34,274 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 01:47:34,276 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 01:47:34,277 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 01:47:34,277 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 01:47:34,277 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 01:47:34,277 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 01:47:34,278 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 01:47:34,278 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 01:47:34,278 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 01:47:34,279 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 01:47:34,280 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 01:47:34,280 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 01:47:34,280 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 01:47:34,280 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 01:47:34,281 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 01:47:34,281 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 01:47:34,281 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 01:47:34,281 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 01:47:34,282 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 01:47:34,282 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 01:47:34,282 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 01:47:34,283 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 01:47:34,283 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 01:47:34,283 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 01:47:34,283 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 01:47:34,283 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 01:47:34,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 01:47:34,284 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2019-09-06 01:47:34,342 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 01:47:34,355 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 01:47:34,358 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 01:47:34,359 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 01:47:34,360 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 01:47:34,361 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label55.c [2019-09-06 01:47:34,420 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12c814047/c09957ca22394a0697cf3224b203025b/FLAG66da5553b [2019-09-06 01:47:34,989 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 01:47:34,990 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label55.c [2019-09-06 01:47:35,020 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12c814047/c09957ca22394a0697cf3224b203025b/FLAG66da5553b [2019-09-06 01:47:35,248 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12c814047/c09957ca22394a0697cf3224b203025b [2019-09-06 01:47:35,259 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 01:47:35,260 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 01:47:35,261 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 01:47:35,261 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 01:47:35,264 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 01:47:35,265 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 01:47:35" (1/1) ... [2019-09-06 01:47:35,268 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a6d7b1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:47:35, skipping insertion in model container [2019-09-06 01:47:35,269 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 01:47:35" (1/1) ... [2019-09-06 01:47:35,276 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 01:47:35,339 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 01:47:35,940 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 01:47:35,944 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 01:47:36,059 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 01:47:36,075 INFO L192 MainTranslator]: Completed translation [2019-09-06 01:47:36,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:47:36 WrapperNode [2019-09-06 01:47:36,076 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 01:47:36,077 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 01:47:36,077 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 01:47:36,077 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 01:47:36,088 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:47:36" (1/1) ... [2019-09-06 01:47:36,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:47:36" (1/1) ... [2019-09-06 01:47:36,107 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:47:36" (1/1) ... [2019-09-06 01:47:36,107 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:47:36" (1/1) ... [2019-09-06 01:47:36,156 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:47:36" (1/1) ... [2019-09-06 01:47:36,174 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:47:36" (1/1) ... [2019-09-06 01:47:36,182 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:47:36" (1/1) ... [2019-09-06 01:47:36,190 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 01:47:36,191 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 01:47:36,191 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 01:47:36,191 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 01:47:36,192 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:47:36" (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 [2019-09-06 01:47:36,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 01:47:36,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 01:47:36,255 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-09-06 01:47:36,255 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 01:47:36,255 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-09-06 01:47:36,256 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 01:47:36,256 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-06 01:47:36,256 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-06 01:47:36,256 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 01:47:36,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 01:47:36,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 01:47:37,710 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 01:47:37,713 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-06 01:47:37,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 01:47:37 BoogieIcfgContainer [2019-09-06 01:47:37,716 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 01:47:37,716 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 01:47:37,716 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 01:47:37,716 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 01:47:37,718 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 01:47:37" (1/1) ... [2019-09-06 01:47:37,720 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=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-06 01:47:37,753 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 01:47:37,753 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 01:47:37,764 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 01:47:37,774 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 01:47:37,776 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 01:47:37,852 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 50 for LOIs [2019-09-06 01:50:04,541 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 9477 conjuctions. This might take some time... [2019-09-06 01:50:59,086 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 9477 conjuctions. This might take some time... [2019-09-06 01:51:05,180 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 9477 conjuctions. This might take some time... [2019-09-06 01:51:11,741 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 18216 conjuctions. This might take some time... [2019-09-06 01:53:18,069 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 40 for LOIs [2019-09-06 01:53:18,942 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 01:53:18,943 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 01:53:18,945 INFO L193 IcfgInterpreter]: Reachable states at location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 124057#(and (<= ~inputE~0 5) (<= 2 ~inputB~0) (<= 7 ~a21~0) (<= 1 calculate_output_~input) (<= 1 |calculate_output_#in~input|) (<= 6 ~inputF~0) (<= ~inputB~0 2) (<= |calculate_output_#in~input| 6) (<= 5 ~inputE~0) (<= ~inputF~0 6) (<= 1 ~inputA~0) (<= ~inputA~0 1) (<= calculate_output_~input 6) (<= 80 ~a12~0) (<= 7 ~a15~0) (<= ~a21~0 7) (<= ~a15~0 7) (<= 4 ~inputD~0) (<= ~inputD~0 4) (<= 1 ~a24~0) (<= ~a24~0 1) (<= 3 ~inputC~0) (<= ~inputC~0 3)) [2019-09-06 01:53:18,956 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 01:53:18,957 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 01:53:18,959 INFO L168 Benchmark]: Toolchain (without parser) took 343698.26 ms. Allocated memory was 140.5 MB in the beginning and 2.8 GB in the end (delta: 2.7 GB). Free memory was 86.2 MB in the beginning and 2.0 GB in the end (delta: -2.0 GB). Peak memory consumption was 697.7 MB. Max. memory is 7.1 GB. [2019-09-06 01:53:18,960 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 140.5 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-06 01:53:18,961 INFO L168 Benchmark]: CACSL2BoogieTranslator took 815.62 ms. Allocated memory was 140.5 MB in the beginning and 205.0 MB in the end (delta: 64.5 MB). Free memory was 86.0 MB in the beginning and 167.4 MB in the end (delta: -81.4 MB). Peak memory consumption was 37.1 MB. Max. memory is 7.1 GB. [2019-09-06 01:53:18,962 INFO L168 Benchmark]: Boogie Preprocessor took 113.86 ms. Allocated memory is still 205.0 MB. Free memory was 167.4 MB in the beginning and 161.3 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 7.1 GB. [2019-09-06 01:53:18,963 INFO L168 Benchmark]: RCFGBuilder took 1524.77 ms. Allocated memory was 205.0 MB in the beginning and 231.2 MB in the end (delta: 26.2 MB). Free memory was 161.3 MB in the beginning and 159.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 86.6 MB. Max. memory is 7.1 GB. [2019-09-06 01:53:18,964 INFO L168 Benchmark]: Sifa took 341240.79 ms. Allocated memory was 231.2 MB in the beginning and 2.8 GB in the end (delta: 2.6 GB). Free memory was 159.2 MB in the beginning and 2.0 GB in the end (delta: -1.9 GB). Peak memory consumption was 680.0 MB. Max. memory is 7.1 GB. [2019-09-06 01:53:18,968 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 140.5 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 815.62 ms. Allocated memory was 140.5 MB in the beginning and 205.0 MB in the end (delta: 64.5 MB). Free memory was 86.0 MB in the beginning and 167.4 MB in the end (delta: -81.4 MB). Peak memory consumption was 37.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.86 ms. Allocated memory is still 205.0 MB. Free memory was 167.4 MB in the beginning and 161.3 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1524.77 ms. Allocated memory was 205.0 MB in the beginning and 231.2 MB in the end (delta: 26.2 MB). Free memory was 161.3 MB in the beginning and 159.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 86.6 MB. Max. memory is 7.1 GB. * Sifa took 341240.79 ms. Allocated memory was 231.2 MB in the beginning and 2.8 GB in the end (delta: 2.6 GB). Free memory was 159.2 MB in the beginning and 2.0 GB in the end (delta: -1.9 GB). Peak memory consumption was 680.0 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]: 341192, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 93125, DAG_INTERPRETER_EARLY_EXITS: 15882, TOOLS_POST_APPLICATIONS: 85044, TOOLS_POST_TIME[ms]: 144850, TOOLS_POST_CALL_APPLICATIONS: 6, TOOLS_POST_CALL_TIME[ms]: 30, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 5, TOOLS_QUANTIFIERELIM_TIME[ms]: 138580, FLUID_QUERY_TIME[ms]: 662, FLUID_QUERIES: 93127, FLUID_YES_ANSWERS: 28799, DOMAIN_JOIN_APPLICATIONS: 10200, DOMAIN_JOIN_TIME[ms]: 24886, DOMAIN_ALPHA_APPLICATIONS: 28799, DOMAIN_ALPHA_TIME[ms]: 130971, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 1, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME[ms]: 27, DOMAIN_ISBOTTOM_APPLICATIONS: 40528, DOMAIN_ISBOTTOM_TIME[ms]: 33814, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 268836, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 268835, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 340174, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 42, REGEX_TO_DAG_TIME[ms]: 40, DAG_COMPRESSION_TIME[ms]: 2979, DAG_COMPRESSION_PROCESSED_NODES: 202983, DAG_COMPRESSION_RETAINED_NODES: 77133 - UnprovableResult [Line: 175]: 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 124057#(and (<= ~inputE~0 5) (<= 2 ~inputB~0) (<= 7 ~a21~0) (<= 1 calculate_output_~input) (<= 1 |calculate_output_#in~input|) (<= 6 ~inputF~0) (<= ~inputB~0 2) (<= |calculate_output_#in~input| 6) (<= 5 ~inputE~0) (<= ~inputF~0 6) (<= 1 ~inputA~0) (<= ~inputA~0 1) (<= calculate_output_~input 6) (<= 80 ~a12~0) (<= 7 ~a15~0) (<= ~a21~0 7) (<= ~a15~0 7) (<= 4 ~inputD~0) (<= ~inputD~0 4) (<= 1 ~a24~0) (<= ~a24~0 1) (<= 3 ~inputC~0) (<= ~inputC~0 3)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...