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/ldv-regression/test19.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 06:30:03,124 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 06:30:03,127 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 06:30:03,147 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 06:30:03,147 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 06:30:03,149 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 06:30:03,151 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 06:30:03,163 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 06:30:03,165 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 06:30:03,166 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 06:30:03,167 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 06:30:03,169 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 06:30:03,170 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 06:30:03,171 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 06:30:03,172 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 06:30:03,173 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 06:30:03,174 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 06:30:03,175 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 06:30:03,176 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 06:30:03,178 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 06:30:03,180 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 06:30:03,181 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 06:30:03,182 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 06:30:03,183 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 06:30:03,185 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 06:30:03,185 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 06:30:03,186 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 06:30:03,186 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 06:30:03,187 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 06:30:03,188 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 06:30:03,188 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 06:30:03,189 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 06:30:03,190 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 06:30:03,191 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 06:30:03,192 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 06:30:03,192 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 06:30:03,193 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 06:30:03,193 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 06:30:03,193 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 06:30:03,196 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 06:30:03,197 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 06:30:03,198 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 06:30:03,220 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 06:30:03,221 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 06:30:03,223 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 06:30:03,223 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 06:30:03,223 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 06:30:03,224 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 06:30:03,224 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 06:30:03,224 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 06:30:03,224 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 06:30:03,224 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 06:30:03,226 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 06:30:03,226 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 06:30:03,226 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 06:30:03,227 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 06:30:03,227 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 06:30:03,227 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 06:30:03,227 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 06:30:03,227 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 06:30:03,228 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 06:30:03,228 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 06:30:03,228 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 06:30:03,228 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 06:30:03,229 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 06:30:03,229 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 06:30:03,229 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 06:30:03,229 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 06:30:03,230 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 06:30:03,230 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 06:30:03,230 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 06:30:03,509 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 06:30:03,522 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 06:30:03,525 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 06:30:03,527 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 06:30:03,527 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 06:30:03,528 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test19.c [2019-10-15 06:30:03,599 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ffdb4209/714f90c3d5bf42fbbbeea4b515d97d58/FLAG83df6a319 [2019-10-15 06:30:04,046 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 06:30:04,047 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test19.c [2019-10-15 06:30:04,055 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ffdb4209/714f90c3d5bf42fbbbeea4b515d97d58/FLAG83df6a319 [2019-10-15 06:30:04,434 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ffdb4209/714f90c3d5bf42fbbbeea4b515d97d58 [2019-10-15 06:30:04,446 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 06:30:04,448 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 06:30:04,449 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 06:30:04,449 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 06:30:04,453 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 06:30:04,454 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:30:04" (1/1) ... [2019-10-15 06:30:04,457 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53a23b55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:30:04, skipping insertion in model container [2019-10-15 06:30:04,457 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:30:04" (1/1) ... [2019-10-15 06:30:04,465 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 06:30:04,483 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 06:30:04,639 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 06:30:04,651 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 06:30:04,665 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 06:30:04,681 INFO L192 MainTranslator]: Completed translation [2019-10-15 06:30:04,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:30:04 WrapperNode [2019-10-15 06:30:04,681 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 06:30:04,682 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 06:30:04,682 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 06:30:04,682 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 06:30:04,767 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:30:04" (1/1) ... [2019-10-15 06:30:04,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:30:04" (1/1) ... [2019-10-15 06:30:04,776 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:30:04" (1/1) ... [2019-10-15 06:30:04,776 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:30:04" (1/1) ... [2019-10-15 06:30:04,790 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:30:04" (1/1) ... [2019-10-15 06:30:04,792 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:30:04" (1/1) ... [2019-10-15 06:30:04,794 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:30:04" (1/1) ... [2019-10-15 06:30:04,796 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 06:30:04,797 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 06:30:04,797 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 06:30:04,797 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 06:30:04,798 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:30:04" (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 06:30:04,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 06:30:04,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 06:30:04,861 INFO L138 BoogieDeclarations]: Found implementation of procedure assign [2019-10-15 06:30:04,861 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 06:30:04,861 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 06:30:04,861 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 06:30:04,861 INFO L130 BoogieDeclarations]: Found specification of procedure assign [2019-10-15 06:30:04,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 06:30:04,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 06:30:04,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 06:30:04,862 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 06:30:04,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 06:30:04,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 06:30:04,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-15 06:30:04,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 06:30:04,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 06:30:04,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 06:30:04,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 06:30:05,144 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 06:30:05,145 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-15 06:30:05,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:30:05 BoogieIcfgContainer [2019-10-15 06:30:05,147 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 06:30:05,148 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-15 06:30:05,148 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-15 06:30:05,153 INFO L275 PluginConnector]: Sifa initialized [2019-10-15 06:30:05,155 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:30:05" (1/1) ... [2019-10-15 06:30:05,159 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 06:30:05,212 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-15 06:30:05,212 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 06:30:05,220 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 06:30:05,228 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 06:30:05,230 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 06:30:05,397 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-10-15 06:30:05,845 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 46 [2019-10-15 06:30:06,211 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-15 06:30:06,229 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-15 06:30:06,298 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-15 06:30:06,316 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-15 06:30:06,316 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-15 06:30:06,318 INFO L168 Benchmark]: Toolchain (without parser) took 1870.49 ms. Allocated memory was 138.4 MB in the beginning and 235.4 MB in the end (delta: 97.0 MB). Free memory was 103.6 MB in the beginning and 201.4 MB in the end (delta: -97.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-15 06:30:06,319 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 138.4 MB. Free memory was 121.7 MB in the beginning and 121.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-15 06:30:06,320 INFO L168 Benchmark]: CACSL2BoogieTranslator took 232.88 ms. Allocated memory is still 138.4 MB. Free memory was 103.4 MB in the beginning and 93.3 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-10-15 06:30:06,321 INFO L168 Benchmark]: Boogie Preprocessor took 114.55 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 93.3 MB in the beginning and 180.0 MB in the end (delta: -86.7 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. [2019-10-15 06:30:06,322 INFO L168 Benchmark]: RCFGBuilder took 349.98 ms. Allocated memory is still 201.9 MB. Free memory was 180.0 MB in the beginning and 162.9 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 7.1 GB. [2019-10-15 06:30:06,323 INFO L168 Benchmark]: Sifa took 1168.90 ms. Allocated memory was 201.9 MB in the beginning and 235.4 MB in the end (delta: 33.6 MB). Free memory was 162.9 MB in the beginning and 201.4 MB in the end (delta: -38.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-15 06:30:06,330 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 138.4 MB. Free memory was 121.7 MB in the beginning and 121.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 232.88 ms. Allocated memory is still 138.4 MB. Free memory was 103.4 MB in the beginning and 93.3 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.55 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 93.3 MB in the beginning and 180.0 MB in the end (delta: -86.7 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 349.98 ms. Allocated memory is still 201.9 MB. Free memory was 180.0 MB in the beginning and 162.9 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 7.1 GB. * Sifa took 1168.90 ms. Allocated memory was 201.9 MB in the beginning and 235.4 MB in the end (delta: 33.6 MB). Free memory was 162.9 MB in the beginning and 201.4 MB in the end (delta: -38.5 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]: 1086, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 9, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 6, TOOLS_POST_TIME[ms]: 381, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 513, TOOLS_POST_RETURN_APPLICATIONS: 2, TOOLS_POST_RETURN_TIME[ms]: 6, TOOLS_QUANTIFIERELIM_APPLICATIONS: 11, TOOLS_QUANTIFIERELIM_TIME[ms]: 884, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 490, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 9, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 3, DOMAIN_JOIN_TIME[ms]: 123, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 0, DOMAIN_ISSUBSETEQ_TIME[ms]: 0, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 0, LOOP_SUMMARIZER_CACHE_MISSES: 0, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 0, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 0, CALL_SUMMARIZER_APPLICATIONS: 2, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 451, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 451, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 11, DAG_COMPRESSION_PROCESSED_NODES: 34, DAG_COMPRESSION_RETAINED_NODES: 22 - UnprovableResult [Line: 22]: 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 37#(and (< |main_~#a~0.base| |#StackHeapBarrier|) (= 0 |main_~#pb~1.offset|) (= |#length| (store (store (store (store |old(#length)| |main_~#a~0.base| 4) |main_~#b~0.base| 4) |main_~#pa~1.base| 4) |main_~#pb~1.base| 4)) (= 0 |#NULL.base|) (<= |main_~#b~0.offset| 0) (< |main_~#pa~1.base| |#StackHeapBarrier|) (not (= |main_~#b~0.base| 0)) (<= 0 |#NULL.base|) (<= |main_~#pb~1.offset| 0) (not (= 0 |main_~#a~0.base|)) (= 0 (select |old(#valid)| |main_~#a~0.base|)) (= (select (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#pa~1.base|) 0) (<= 0 |#NULL.offset|) (not (= 0 |main_~#pa~1.base|)) (<= (select (select |old(#memory_int)| |main_~#a~0.base|) |main_~#a~0.offset|) 2147483647) (= |main_~#b~0.offset| 0) (= (select (store (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#pa~1.base| 1) |main_~#pb~1.base|) 0) (< |main_~#pb~1.base| |#StackHeapBarrier|) (= |main_~#a~0.offset| 0) (< |main_~#b~0.base| |#StackHeapBarrier|) (= |main_~#a~0.offset| (select (select |old(#memory_$Pointer$.offset)| |main_~#pa~1.base|) |main_~#pa~1.offset|)) (<= |#NULL.base| 0) (not (= (select (select |#memory_int| |main_~#b~0.base|) |main_~#b~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))) (= (store (store (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#pa~1.base| 1) |main_~#pb~1.base| 1) |#valid|) (<= 0 |main_~#a~0.offset|) (= (select (select |old(#memory_$Pointer$.base)| |main_~#pa~1.base|) |main_~#pa~1.offset|) |main_~#a~0.base|) (= (select (select |old(#memory_$Pointer$.base)| |main_~#pb~1.base|) |main_~#pb~1.offset|) |main_~#b~0.base|) (<= |main_~#a~0.offset| 0) (<= 0 (+ (select (select |old(#memory_int)| |main_~#b~0.base|) |main_~#b~0.offset|) 2147483648)) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 (+ (select (select |old(#memory_int)| |main_~#a~0.base|) |main_~#a~0.offset|) 2147483648)) (= (select (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base|) 0) (<= 0 |main_~#pb~1.offset|) (<= 0 |main_~#b~0.offset|) (<= |main_~#pa~1.offset| 0) (<= (select (select |old(#memory_int)| |main_~#b~0.base|) |main_~#b~0.offset|) 2147483647) (not (= |main_~#pb~1.base| 0)) (<= 0 |main_~#pa~1.offset|) (= |#NULL.offset| 0) (= |main_~#b~0.offset| (select (select |old(#memory_$Pointer$.offset)| |main_~#pb~1.base|) |main_~#pb~1.offset|)) (= 0 |main_~#pa~1.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...