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_label32.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 04:59:20,446 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 04:59:20,449 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 04:59:20,467 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 04:59:20,468 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 04:59:20,470 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 04:59:20,471 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 04:59:20,473 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 04:59:20,474 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 04:59:20,476 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 04:59:20,477 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 04:59:20,478 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 04:59:20,478 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 04:59:20,479 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 04:59:20,480 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 04:59:20,481 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 04:59:20,482 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 04:59:20,483 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 04:59:20,485 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 04:59:20,487 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 04:59:20,493 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 04:59:20,494 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 04:59:20,496 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 04:59:20,498 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 04:59:20,502 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 04:59:20,503 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 04:59:20,503 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 04:59:20,504 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 04:59:20,506 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 04:59:20,508 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 04:59:20,508 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 04:59:20,509 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 04:59:20,511 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 04:59:20,511 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 04:59:20,515 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 04:59:20,516 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 04:59:20,517 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 04:59:20,517 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 04:59:20,517 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 04:59:20,519 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 04:59:20,520 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 04:59:20,521 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 [2019-10-15 04:59:20,535 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 04:59:20,536 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 04:59:20,537 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 04:59:20,537 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 04:59:20,537 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 04:59:20,538 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 04:59:20,538 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 04:59:20,538 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 04:59:20,538 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 04:59:20,539 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 04:59:20,539 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 04:59:20,539 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 04:59:20,539 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 04:59:20,539 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 04:59:20,540 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 04:59:20,540 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 04:59:20,540 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 04:59:20,540 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 04:59:20,540 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 04:59:20,541 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 04:59:20,541 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 04:59:20,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 04:59:20,541 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 04:59:20,541 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 04:59:20,542 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 04:59:20,542 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 04:59:20,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 04:59:20,542 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 04:59:20,542 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 [2019-10-15 04:59:20,880 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 04:59:20,893 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 04:59:20,897 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 04:59:20,898 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 04:59:20,899 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 04:59:20,899 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label32.c [2019-10-15 04:59:20,972 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86b95704e/d0a8291eecc641c781938a20a7213bf8/FLAG730cca98f [2019-10-15 04:59:21,609 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 04:59:21,609 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem03_label32.c [2019-10-15 04:59:21,627 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86b95704e/d0a8291eecc641c781938a20a7213bf8/FLAG730cca98f [2019-10-15 04:59:21,775 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86b95704e/d0a8291eecc641c781938a20a7213bf8 [2019-10-15 04:59:21,785 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 04:59:21,787 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 04:59:21,788 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 04:59:21,788 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 04:59:21,792 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 04:59:21,793 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:59:21" (1/1) ... [2019-10-15 04:59:21,796 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34930f52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:59:21, skipping insertion in model container [2019-10-15 04:59:21,796 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:59:21" (1/1) ... [2019-10-15 04:59:21,804 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 04:59:21,875 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 04:59:22,667 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:59:22,674 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 04:59:22,982 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:59:23,007 INFO L192 MainTranslator]: Completed translation [2019-10-15 04:59:23,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:59:23 WrapperNode [2019-10-15 04:59:23,008 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 04:59:23,009 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 04:59:23,009 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 04:59:23,010 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 04:59:23,025 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:59:23" (1/1) ... [2019-10-15 04:59:23,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:59:23" (1/1) ... [2019-10-15 04:59:23,077 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:59:23" (1/1) ... [2019-10-15 04:59:23,078 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:59:23" (1/1) ... [2019-10-15 04:59:23,146 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:59:23" (1/1) ... [2019-10-15 04:59:23,163 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:59:23" (1/1) ... [2019-10-15 04:59:23,182 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:59:23" (1/1) ... [2019-10-15 04:59:23,200 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 04:59:23,201 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 04:59:23,201 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 04:59:23,202 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 04:59:23,203 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:59:23" (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 [2019-10-15 04:59:23,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 04:59:23,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 04:59:23,273 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-15 04:59:23,274 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 04:59:23,274 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-15 04:59:23,274 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 04:59:23,274 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 04:59:23,274 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-15 04:59:23,275 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 04:59:23,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 04:59:23,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 04:59:26,546 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 04:59:26,547 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-15 04:59:26,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:59:26 BoogieIcfgContainer [2019-10-15 04:59:26,549 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 04:59:26,551 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-15 04:59:26,552 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-15 04:59:26,552 INFO L275 PluginConnector]: Sifa initialized [2019-10-15 04:59:26,556 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:59:26" (1/1) ... [2019-10-15 04:59:26,557 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 [2019-10-15 04:59:26,600 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-15 04:59:26,601 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 04:59:26,621 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 04:59:26,639 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 04:59:26,641 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 04:59:26,888 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-10-15 04:59:27,176 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 210 for LOIs [2019-10-15 04:59:29,069 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 46 [2019-10-15 04:59:29,111 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 46 [2019-10-15 04:59:29,194 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 46 [2019-10-15 04:59:29,265 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 11 [2019-10-15 04:59:29,278 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 15 [2019-10-15 04:59:32,391 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 305 [2019-10-15 04:59:32,534 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 155 for LOIs [2019-10-15 04:59:33,825 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 58 [2019-10-15 04:59:38,762 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 46 [2019-10-15 04:59:38,823 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 46 [2019-10-15 04:59:38,912 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-15 04:59:38,930 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-15 04:59:38,930 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-15 04:59:38,932 INFO L168 Benchmark]: Toolchain (without parser) took 17145.15 ms. Allocated memory was 144.7 MB in the beginning and 686.3 MB in the end (delta: 541.6 MB). Free memory was 97.2 MB in the beginning and 201.9 MB in the end (delta: -104.7 MB). Peak memory consumption was 436.9 MB. Max. memory is 7.1 GB. [2019-10-15 04:59:38,933 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 144.7 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-15 04:59:38,938 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1220.96 ms. Allocated memory was 144.7 MB in the beginning and 207.6 MB in the end (delta: 62.9 MB). Free memory was 96.9 MB in the beginning and 134.0 MB in the end (delta: -37.1 MB). Peak memory consumption was 39.7 MB. Max. memory is 7.1 GB. [2019-10-15 04:59:38,940 INFO L168 Benchmark]: Boogie Preprocessor took 191.42 ms. Allocated memory is still 207.6 MB. Free memory was 134.0 MB in the beginning and 122.0 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. [2019-10-15 04:59:38,942 INFO L168 Benchmark]: RCFGBuilder took 3347.98 ms. Allocated memory was 207.6 MB in the beginning and 314.6 MB in the end (delta: 107.0 MB). Free memory was 122.0 MB in the beginning and 265.0 MB in the end (delta: -143.0 MB). Peak memory consumption was 94.1 MB. Max. memory is 7.1 GB. [2019-10-15 04:59:38,943 INFO L168 Benchmark]: Sifa took 12378.84 ms. Allocated memory was 314.6 MB in the beginning and 686.3 MB in the end (delta: 371.7 MB). Free memory was 265.0 MB in the beginning and 201.9 MB in the end (delta: 63.2 MB). Peak memory consumption was 434.9 MB. Max. memory is 7.1 GB. [2019-10-15 04:59:38,948 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 144.7 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1220.96 ms. Allocated memory was 144.7 MB in the beginning and 207.6 MB in the end (delta: 62.9 MB). Free memory was 96.9 MB in the beginning and 134.0 MB in the end (delta: -37.1 MB). Peak memory consumption was 39.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 191.42 ms. Allocated memory is still 207.6 MB. Free memory was 134.0 MB in the beginning and 122.0 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3347.98 ms. Allocated memory was 207.6 MB in the beginning and 314.6 MB in the end (delta: 107.0 MB). Free memory was 122.0 MB in the beginning and 265.0 MB in the end (delta: -143.0 MB). Peak memory consumption was 94.1 MB. Max. memory is 7.1 GB. * Sifa took 12378.84 ms. Allocated memory was 314.6 MB in the beginning and 686.3 MB in the end (delta: 371.7 MB). Free memory was 265.0 MB in the beginning and 201.9 MB in the end (delta: 63.2 MB). Peak memory consumption was 434.9 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]: 12310, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 443, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 436, TOOLS_POST_TIME[ms]: 303, TOOLS_POST_CALL_APPLICATIONS: 6, TOOLS_POST_CALL_TIME[ms]: 113, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 27, TOOLS_QUANTIFIERELIM_APPLICATIONS: 446, TOOLS_QUANTIFIERELIM_TIME[ms]: 291, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 30, FLUID_QUERY_TIME[ms]: 22, FLUID_QUERIES: 445, FLUID_YES_ANSWERS: 351, DOMAIN_JOIN_APPLICATIONS: 145, DOMAIN_JOIN_TIME[ms]: 2651, DOMAIN_ALPHA_APPLICATIONS: 351, DOMAIN_ALPHA_TIME[ms]: 8570, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 162, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 9, DOMAIN_ISBOTTOM_APPLICATIONS: 140, DOMAIN_ISBOTTOM_TIME[ms]: 220, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 500, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 499, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 4947, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4946, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 12, PATH_EXPR_TIME[ms]: 20, REGEX_TO_DAG_TIME[ms]: 9, DAG_COMPRESSION_TIME[ms]: 57, DAG_COMPRESSION_PROCESSED_NODES: 2498, DAG_COMPRESSION_RETAINED_NODES: 314 - UnprovableResult [Line: 1602]: 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 21824#(and (<= 1 ~a3~0) (<= 1 calculate_output_~input) (<= ~x~0 24) (<= 1 ~a5~0) (= 1 ~a5~0) (<= 6 ~f~0) (<= 1 ~a~0) (<= 3 ~c~0) (<= ~c~0 3) (<= ~z~0 26) (<= 1 ~a6~0) (= ~a12~0 1) (= ~a11~0 1) (<= 1 ~a18~0) (<= ~a~0 1) (<= 1 ~a11~0) (<= ~d~0 4) (= 1 ~a6~0) (<= 25 ~y~0) (<= calculate_output_~input 6) (<= ~f~0 6) (<= ~a12~0 1) (<= ~a5~0 1) (= 1 ~a3~0) (<= ~v~0 22) (<= ~u~0 21) (<= 26 ~z~0) (<= 24 ~x~0) (<= ~b~0 2) (<= 21 ~u~0) (<= 1 ~a27~0) (not (= ~a26~0 1)) (<= 1 |calculate_output_#in~input|) (<= |calculate_output_#in~input| 6) (<= 23 ~w~0) (<= ~a18~0 1) (= ~a27~0 1) (<= ~a6~0 1) (<= ~w~0 23) (<= 5 ~e~0) (<= ~a3~0 1) (= ~a18~0 1) (<= ~y~0 25) (<= 22 ~v~0) (<= 2 ~b~0) (<= 1 ~a12~0) (<= ~a11~0 1) (<= 4 ~d~0) (<= ~a27~0 1) (<= ~e~0 5)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...