/usr/bin/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/Problem03_label08.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 07:23:14,379 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 07:23:14,382 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 07:23:14,402 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 07:23:14,403 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 07:23:14,405 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 07:23:14,407 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 07:23:14,418 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 07:23:14,423 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 07:23:14,427 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 07:23:14,428 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 07:23:14,430 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 07:23:14,431 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 07:23:14,432 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 07:23:14,434 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 07:23:14,436 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 07:23:14,438 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 07:23:14,439 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 07:23:14,441 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 07:23:14,445 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 07:23:14,449 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 07:23:14,452 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 07:23:14,455 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 07:23:14,455 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 07:23:14,458 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 07:23:14,458 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 07:23:14,458 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 07:23:14,460 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 07:23:14,461 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 07:23:14,462 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 07:23:14,463 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 07:23:14,463 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 07:23:14,464 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 07:23:14,465 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 07:23:14,466 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 07:23:14,466 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 07:23:14,467 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 07:23:14,467 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 07:23:14,467 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 07:23:14,468 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 07:23:14,469 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 07:23:14,470 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 [2019-11-07 07:23:14,504 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 07:23:14,504 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 07:23:14,511 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 07:23:14,511 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 07:23:14,511 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 07:23:14,512 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 07:23:14,512 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 07:23:14,512 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 07:23:14,512 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 07:23:14,512 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 07:23:14,512 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 07:23:14,516 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 07:23:14,516 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 07:23:14,516 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 07:23:14,516 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 07:23:14,517 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 07:23:14,517 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 07:23:14,517 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 07:23:14,517 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 07:23:14,517 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 07:23:14,518 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 07:23:14,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 07:23:14,518 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 07:23:14,518 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 07:23:14,518 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 07:23:14,519 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 07:23:14,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 07:23:14,520 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 07:23:14,520 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 [2019-11-07 07:23:14,852 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 07:23:14,870 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 07:23:14,875 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 07:23:14,877 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 07:23:14,877 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 07:23:14,878 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label08.c [2019-11-07 07:23:14,955 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cf1ae3dd/ad89c1cc868548dbb08758761e1feaa2/FLAG19d2af302 [2019-11-07 07:23:15,619 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 07:23:15,620 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem03_label08.c [2019-11-07 07:23:15,639 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cf1ae3dd/ad89c1cc868548dbb08758761e1feaa2/FLAG19d2af302 [2019-11-07 07:23:15,792 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cf1ae3dd/ad89c1cc868548dbb08758761e1feaa2 [2019-11-07 07:23:15,801 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 07:23:15,802 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 07:23:15,803 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 07:23:15,804 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 07:23:15,809 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 07:23:15,810 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:23:15" (1/1) ... [2019-11-07 07:23:15,813 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e3d2570 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:23:15, skipping insertion in model container [2019-11-07 07:23:15,813 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:23:15" (1/1) ... [2019-11-07 07:23:15,821 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 07:23:15,905 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 07:23:16,755 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 07:23:16,761 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 07:23:17,069 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 07:23:17,095 INFO L192 MainTranslator]: Completed translation [2019-11-07 07:23:17,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:23:17 WrapperNode [2019-11-07 07:23:17,096 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 07:23:17,097 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 07:23:17,097 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 07:23:17,097 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 07:23:17,111 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:23:17" (1/1) ... [2019-11-07 07:23:17,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:23:17" (1/1) ... [2019-11-07 07:23:17,159 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:23:17" (1/1) ... [2019-11-07 07:23:17,159 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:23:17" (1/1) ... [2019-11-07 07:23:17,232 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:23:17" (1/1) ... [2019-11-07 07:23:17,263 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:23:17" (1/1) ... [2019-11-07 07:23:17,282 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:23:17" (1/1) ... [2019-11-07 07:23:17,295 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 07:23:17,299 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 07:23:17,300 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 07:23:17,300 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 07:23:17,301 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:23:17" (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 [2019-11-07 07:23:17,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 07:23:17,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 07:23:17,355 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-11-07 07:23:17,355 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 07:23:17,355 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-11-07 07:23:17,355 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 07:23:17,356 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 07:23:17,356 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-07 07:23:17,356 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 07:23:17,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 07:23:17,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 07:23:20,557 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 07:23:20,557 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-07 07:23:20,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:23:20 BoogieIcfgContainer [2019-11-07 07:23:20,562 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 07:23:20,563 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 07:23:20,563 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 07:23:20,565 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 07:23:20,566 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:23:20" (1/1) ... [2019-11-07 07:23:20,567 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 [2019-11-07 07:23:20,617 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-07 07:23:20,617 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 07:23:20,636 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 07:23:20,647 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 07:23:20,648 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 07:23:20,760 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 156 for LOIs [2019-11-07 07:23:22,790 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 14 [2019-11-07 07:23:22,805 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 14 [2019-11-07 07:23:22,821 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 14 [2019-11-07 07:23:22,969 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 73 [2019-11-07 07:23:22,970 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 20 [2019-11-07 07:23:22,981 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 47 [2019-11-07 07:23:26,008 INFO L197 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 155 for LOIs [2019-11-07 07:23:27,053 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 58 [2019-11-07 07:23:31,776 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 14 [2019-11-07 07:23:31,803 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 14 [2019-11-07 07:23:31,877 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-07 07:23:31,890 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-07 07:23:31,890 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-07 07:23:31,893 INFO L168 Benchmark]: Toolchain (without parser) took 16089.83 ms. Allocated memory was 141.0 MB in the beginning and 776.5 MB in the end (delta: 635.4 MB). Free memory was 97.8 MB in the beginning and 723.9 MB in the end (delta: -626.2 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-11-07 07:23:31,894 INFO L168 Benchmark]: CDTParser took 1.33 ms. Allocated memory is still 141.0 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-07 07:23:31,895 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1292.81 ms. Allocated memory was 141.0 MB in the beginning and 233.3 MB in the end (delta: 92.3 MB). Free memory was 97.3 MB in the beginning and 181.3 MB in the end (delta: -84.0 MB). Peak memory consumption was 49.3 MB. Max. memory is 7.1 GB. [2019-11-07 07:23:31,896 INFO L168 Benchmark]: Boogie Preprocessor took 199.08 ms. Allocated memory is still 233.3 MB. Free memory was 181.3 MB in the beginning and 170.4 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. [2019-11-07 07:23:31,897 INFO L168 Benchmark]: RCFGBuilder took 3263.29 ms. Allocated memory was 233.3 MB in the beginning and 336.6 MB in the end (delta: 103.3 MB). Free memory was 170.4 MB in the beginning and 258.5 MB in the end (delta: -88.2 MB). Peak memory consumption was 122.1 MB. Max. memory is 7.1 GB. [2019-11-07 07:23:31,898 INFO L168 Benchmark]: Sifa took 11327.56 ms. Allocated memory was 336.6 MB in the beginning and 776.5 MB in the end (delta: 439.9 MB). Free memory was 258.5 MB in the beginning and 723.9 MB in the end (delta: -465.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-11-07 07:23:31,902 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.33 ms. Allocated memory is still 141.0 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1292.81 ms. Allocated memory was 141.0 MB in the beginning and 233.3 MB in the end (delta: 92.3 MB). Free memory was 97.3 MB in the beginning and 181.3 MB in the end (delta: -84.0 MB). Peak memory consumption was 49.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 199.08 ms. Allocated memory is still 233.3 MB. Free memory was 181.3 MB in the beginning and 170.4 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3263.29 ms. Allocated memory was 233.3 MB in the beginning and 336.6 MB in the end (delta: 103.3 MB). Free memory was 170.4 MB in the beginning and 258.5 MB in the end (delta: -88.2 MB). Peak memory consumption was 122.1 MB. Max. memory is 7.1 GB. * Sifa took 11327.56 ms. Allocated memory was 336.6 MB in the beginning and 776.5 MB in the end (delta: 439.9 MB). Free memory was 258.5 MB in the beginning and 723.9 MB in the end (delta: -465.4 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 11261, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 140, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 436, TOOLS_POST_TIME[ms]: 318, TOOLS_POST_CALL_APPLICATIONS: 6, TOOLS_POST_CALL_TIME[ms]: 97, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 30, TOOLS_QUANTIFIERELIM_APPLICATIONS: 446, TOOLS_QUANTIFIERELIM_TIME[ms]: 296, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 23, FLUID_QUERY_TIME[ms]: 22, FLUID_QUERIES: 450, FLUID_YES_ANSWERS: 351, DOMAIN_JOIN_APPLICATIONS: 140, DOMAIN_JOIN_TIME[ms]: 2258, DOMAIN_ALPHA_APPLICATIONS: 351, DOMAIN_ALPHA_TIME[ms]: 7853, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 160, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 8, DOMAIN_ISBOTTOM_APPLICATIONS: 140, DOMAIN_ISBOTTOM_TIME[ms]: 237, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 202, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 201, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 4699, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4699, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 16, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 129, DAG_COMPRESSION_PROCESSED_NODES: 2499, DAG_COMPRESSION_RETAINED_NODES: 315 - UnprovableResult [Line: 1506]: 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 21768#(and (<= ~b~0 2) (<= 21 ~u~0) (not (= ~a26~0 1)) (<= 1 calculate_output_~input) (<= ~x~0 24) (= 1 ~a5~0) (<= 1 |calculate_output_#in~input|) (<= 6 ~f~0) (<= |calculate_output_#in~input| 6) (<= 1 ~a~0) (= 0 ~a3~0) (<= 23 ~w~0) (<= 3 ~c~0) (<= ~c~0 3) (<= ~z~0 26) (<= ~a18~0 1) (= ~a27~0 1) (= ~a12~0 1) (= ~a11~0 1) (<= 1 ~a18~0) (<= ~w~0 23) (<= 5 ~e~0) (<= ~a~0 1) (<= ~d~0 4) (= ~a18~0 1) (<= 25 ~y~0) (<= ~y~0 25) (<= 22 ~v~0) (<= calculate_output_~input 6) (<= 2 ~b~0) (<= ~f~0 6) (<= 4 ~d~0) (<= ~v~0 22) (<= ~u~0 21) (<= 26 ~z~0) (not (= 1 ~a6~0)) (<= 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...