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_label43.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 04:59:32,566 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 04:59:32,568 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 04:59:32,587 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 04:59:32,587 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 04:59:32,589 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 04:59:32,591 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 04:59:32,598 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 04:59:32,600 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 04:59:32,604 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 04:59:32,605 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 04:59:32,606 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 04:59:32,606 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 04:59:32,607 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 04:59:32,608 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 04:59:32,610 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 04:59:32,611 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 04:59:32,612 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 04:59:32,613 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 04:59:32,615 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 04:59:32,618 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 04:59:32,619 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 04:59:32,619 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 04:59:32,621 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 04:59:32,625 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 04:59:32,625 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 04:59:32,626 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 04:59:32,627 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 04:59:32,628 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 04:59:32,629 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 04:59:32,629 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 04:59:32,630 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 04:59:32,631 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 04:59:32,632 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 04:59:32,635 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 04:59:32,636 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 04:59:32,636 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 04:59:32,637 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 04:59:32,637 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 04:59:32,638 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 04:59:32,638 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 04:59:32,639 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 04:59:32,653 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 04:59:32,653 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 04:59:32,654 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 04:59:32,655 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 04:59:32,655 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 04:59:32,655 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 04:59:32,655 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 04:59:32,655 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 04:59:32,656 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 04:59:32,656 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 04:59:32,656 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 04:59:32,656 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 04:59:32,656 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 04:59:32,657 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 04:59:32,657 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 04:59:32,657 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 04:59:32,657 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 04:59:32,657 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 04:59:32,658 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 04:59:32,658 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 04:59:32,658 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 04:59:32,658 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 04:59:32,658 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 04:59:32,659 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 04:59:32,659 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 04:59:32,659 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 04:59:32,659 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 04:59:32,659 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 04:59:32,660 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 04:59:32,983 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 04:59:33,002 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 04:59:33,005 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 04:59:33,007 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 04:59:33,007 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 04:59:33,008 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label43.c [2019-10-15 04:59:33,076 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab613f65f/0dd2bf0d6a0d4bf2a467bdb390b1e7ee/FLAG7162ecb14 [2019-10-15 04:59:33,678 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 04:59:33,679 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem03_label43.c [2019-10-15 04:59:33,701 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab613f65f/0dd2bf0d6a0d4bf2a467bdb390b1e7ee/FLAG7162ecb14 [2019-10-15 04:59:33,933 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab613f65f/0dd2bf0d6a0d4bf2a467bdb390b1e7ee [2019-10-15 04:59:33,944 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 04:59:33,945 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 04:59:33,946 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 04:59:33,947 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 04:59:33,950 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 04:59:33,951 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:59:33" (1/1) ... [2019-10-15 04:59:33,954 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1729396c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:59:33, skipping insertion in model container [2019-10-15 04:59:33,954 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:59:33" (1/1) ... [2019-10-15 04:59:33,962 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 04:59:34,037 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 04:59:34,772 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:59:34,790 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 04:59:35,071 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:59:35,098 INFO L192 MainTranslator]: Completed translation [2019-10-15 04:59:35,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:59:35 WrapperNode [2019-10-15 04:59:35,099 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 04:59:35,100 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 04:59:35,100 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 04:59:35,101 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 04:59:35,119 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:59:35" (1/1) ... [2019-10-15 04:59:35,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:59:35" (1/1) ... [2019-10-15 04:59:35,167 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:59:35" (1/1) ... [2019-10-15 04:59:35,171 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:59:35" (1/1) ... [2019-10-15 04:59:35,252 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:59:35" (1/1) ... [2019-10-15 04:59:35,282 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:59:35" (1/1) ... [2019-10-15 04:59:35,300 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:59:35" (1/1) ... [2019-10-15 04:59:35,315 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 04:59:35,315 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 04:59:35,316 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 04:59:35,316 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 04:59:35,317 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:59:35" (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 04:59:35,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 04:59:35,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 04:59:35,377 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-15 04:59:35,377 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 04:59:35,378 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-15 04:59:35,378 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 04:59:35,378 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 04:59:35,378 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-15 04:59:35,378 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 04:59:35,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 04:59:35,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 04:59:38,544 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 04:59:38,545 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-15 04:59:38,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:59:38 BoogieIcfgContainer [2019-10-15 04:59:38,546 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 04:59:38,547 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-15 04:59:38,547 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-15 04:59:38,548 INFO L275 PluginConnector]: Sifa initialized [2019-10-15 04:59:38,552 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:59:38" (1/1) ... [2019-10-15 04:59:38,553 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 04:59:38,596 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-15 04:59:38,596 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 04:59:38,618 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 04:59:38,629 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 04:59:38,631 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 04:59:38,823 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-10-15 04:59:39,064 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 210 for LOIs [2019-10-15 04:59:40,790 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2019-10-15 04:59:40,800 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2019-10-15 04:59:40,830 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2019-10-15 04:59:40,933 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 17 [2019-10-15 04:59:40,938 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 54 [2019-10-15 04:59:43,826 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 250 [2019-10-15 04:59:44,364 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 155 for LOIs [2019-10-15 04:59:49,007 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2019-10-15 04:59:49,027 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2019-10-15 04:59:49,079 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-15 04:59:49,096 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-15 04:59:49,097 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-15 04:59:49,099 INFO L168 Benchmark]: Toolchain (without parser) took 15153.51 ms. Allocated memory was 146.3 MB in the beginning and 730.3 MB in the end (delta: 584.1 MB). Free memory was 97.9 MB in the beginning and 417.5 MB in the end (delta: -319.6 MB). Peak memory consumption was 264.4 MB. Max. memory is 7.1 GB. [2019-10-15 04:59:49,100 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 146.3 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-15 04:59:49,101 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1153.53 ms. Allocated memory was 146.3 MB in the beginning and 207.6 MB in the end (delta: 61.3 MB). Free memory was 97.7 MB in the beginning and 132.4 MB in the end (delta: -34.7 MB). Peak memory consumption was 36.9 MB. Max. memory is 7.1 GB. [2019-10-15 04:59:49,102 INFO L168 Benchmark]: Boogie Preprocessor took 214.84 ms. Allocated memory is still 207.6 MB. Free memory was 132.4 MB in the beginning and 120.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2019-10-15 04:59:49,103 INFO L168 Benchmark]: RCFGBuilder took 3231.02 ms. Allocated memory was 207.6 MB in the beginning and 303.0 MB in the end (delta: 95.4 MB). Free memory was 120.8 MB in the beginning and 239.2 MB in the end (delta: -118.4 MB). Peak memory consumption was 84.3 MB. Max. memory is 7.1 GB. [2019-10-15 04:59:49,104 INFO L168 Benchmark]: Sifa took 10550.23 ms. Allocated memory was 303.0 MB in the beginning and 730.3 MB in the end (delta: 427.3 MB). Free memory was 239.2 MB in the beginning and 417.5 MB in the end (delta: -178.3 MB). Peak memory consumption was 249.0 MB. Max. memory is 7.1 GB. [2019-10-15 04:59:49,108 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 146.3 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1153.53 ms. Allocated memory was 146.3 MB in the beginning and 207.6 MB in the end (delta: 61.3 MB). Free memory was 97.7 MB in the beginning and 132.4 MB in the end (delta: -34.7 MB). Peak memory consumption was 36.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 214.84 ms. Allocated memory is still 207.6 MB. Free memory was 132.4 MB in the beginning and 120.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3231.02 ms. Allocated memory was 207.6 MB in the beginning and 303.0 MB in the end (delta: 95.4 MB). Free memory was 120.8 MB in the beginning and 239.2 MB in the end (delta: -118.4 MB). Peak memory consumption was 84.3 MB. Max. memory is 7.1 GB. * Sifa took 10550.23 ms. Allocated memory was 303.0 MB in the beginning and 730.3 MB in the end (delta: 427.3 MB). Free memory was 239.2 MB in the beginning and 417.5 MB in the end (delta: -178.3 MB). Peak memory consumption was 249.0 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]: 10483, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 443, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 436, TOOLS_POST_TIME[ms]: 338, TOOLS_POST_CALL_APPLICATIONS: 6, TOOLS_POST_CALL_TIME[ms]: 81, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 29, TOOLS_QUANTIFIERELIM_APPLICATIONS: 446, TOOLS_QUANTIFIERELIM_TIME[ms]: 314, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 37, FLUID_QUERY_TIME[ms]: 19, FLUID_QUERIES: 445, FLUID_YES_ANSWERS: 351, DOMAIN_JOIN_APPLICATIONS: 145, DOMAIN_JOIN_TIME[ms]: 2767, DOMAIN_ALPHA_APPLICATIONS: 351, DOMAIN_ALPHA_TIME[ms]: 6536, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 212, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 21, DOMAIN_ISBOTTOM_APPLICATIONS: 140, DOMAIN_ISBOTTOM_TIME[ms]: 275, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 573, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 570, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 4758, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4757, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 17, REGEX_TO_DAG_TIME[ms]: 8, DAG_COMPRESSION_TIME[ms]: 54, DAG_COMPRESSION_PROCESSED_NODES: 2363, DAG_COMPRESSION_RETAINED_NODES: 314 - UnprovableResult [Line: 1485]: 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 21828#(and (<= ~b~0 2) (<= 21 ~u~0) (<= 1 ~a27~0) (<= 1 ~a3~0) (<= 1 calculate_output_~input) (<= ~x~0 24) (<= 1 ~a5~0) (= 1 ~a5~0) (<= 1 |calculate_output_#in~input|) (<= 6 ~f~0) (<= |calculate_output_#in~input| 6) (<= 1 ~a~0) (<= 23 ~w~0) (<= 3 ~c~0) (<= ~c~0 3) (<= ~z~0 26) (<= 1 ~a26~0) (<= ~a18~0 1) (= ~a27~0 1) (= ~a11~0 1) (<= 1 ~a18~0) (<= ~w~0 23) (= ~a26~0 1) (<= 5 ~e~0) (<= ~a~0 1) (<= 1 ~a11~0) (<= ~d~0 4) (<= ~a3~0 1) (= ~a18~0 1) (<= 25 ~y~0) (<= ~y~0 25) (<= 22 ~v~0) (<= calculate_output_~input 6) (<= 2 ~b~0) (<= ~f~0 6) (<= ~a5~0 1) (<= ~a11~0 1) (= 1 ~a3~0) (<= 4 ~d~0) (<= ~v~0 22) (<= ~a27~0 1) (<= ~u~0 21) (<= ~a26~0 1) (<= 26 ~z~0) (not (= ~a12~0 1)) (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...