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/test23-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 06:30:04,110 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 06:30:04,114 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 06:30:04,135 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 06:30:04,135 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 06:30:04,138 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 06:30:04,141 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 06:30:04,151 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 06:30:04,155 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 06:30:04,158 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 06:30:04,159 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 06:30:04,161 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 06:30:04,161 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 06:30:04,163 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 06:30:04,165 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 06:30:04,167 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 06:30:04,168 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 06:30:04,169 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 06:30:04,170 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 06:30:04,175 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 06:30:04,181 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 06:30:04,184 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 06:30:04,187 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 06:30:04,188 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 06:30:04,190 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 06:30:04,190 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 06:30:04,190 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 06:30:04,192 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 06:30:04,194 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 06:30:04,195 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 06:30:04,195 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 06:30:04,196 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 06:30:04,197 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 06:30:04,197 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 06:30:04,199 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 06:30:04,199 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 06:30:04,199 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 06:30:04,200 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 06:30:04,200 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 06:30:04,201 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 06:30:04,202 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 06:30:04,203 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 06:30:04,236 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 06:30:04,236 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 06:30:04,240 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 06:30:04,241 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 06:30:04,241 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 06:30:04,241 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 06:30:04,241 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 06:30:04,241 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 06:30:04,242 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 06:30:04,242 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 06:30:04,242 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 06:30:04,242 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 06:30:04,242 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 06:30:04,243 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 06:30:04,243 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 06:30:04,243 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 06:30:04,245 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 06:30:04,246 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 06:30:04,246 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 06:30:04,246 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 06:30:04,246 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 06:30:04,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 06:30:04,247 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 06:30:04,247 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 06:30:04,247 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 06:30:04,247 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 06:30:04,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 06:30:04,248 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 06:30:04,248 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 06:30:04,523 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 06:30:04,544 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 06:30:04,547 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 06:30:04,549 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 06:30:04,549 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 06:30:04,550 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test23-2.c [2019-10-15 06:30:04,633 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2515596f0/5fbc60e3839a42e68a5b69eaefa8cfc4/FLAGb2915becb [2019-10-15 06:30:05,138 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 06:30:05,139 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test23-2.c [2019-10-15 06:30:05,146 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2515596f0/5fbc60e3839a42e68a5b69eaefa8cfc4/FLAGb2915becb [2019-10-15 06:30:05,504 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2515596f0/5fbc60e3839a42e68a5b69eaefa8cfc4 [2019-10-15 06:30:05,513 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 06:30:05,515 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 06:30:05,516 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 06:30:05,516 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 06:30:05,521 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 06:30:05,522 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:30:05" (1/1) ... [2019-10-15 06:30:05,524 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@596d6cd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:30:05, skipping insertion in model container [2019-10-15 06:30:05,524 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:30:05" (1/1) ... [2019-10-15 06:30:05,531 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 06:30:05,549 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 06:30:05,749 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 06:30:05,762 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 06:30:05,871 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 06:30:05,889 INFO L192 MainTranslator]: Completed translation [2019-10-15 06:30:05,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:30:05 WrapperNode [2019-10-15 06:30:05,891 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 06:30:05,892 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 06:30:05,892 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 06:30:05,892 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 06:30:05,905 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:30:05" (1/1) ... [2019-10-15 06:30:05,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:30:05" (1/1) ... [2019-10-15 06:30:05,913 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:30:05" (1/1) ... [2019-10-15 06:30:05,913 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:30:05" (1/1) ... [2019-10-15 06:30:05,922 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:30:05" (1/1) ... [2019-10-15 06:30:05,930 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:30:05" (1/1) ... [2019-10-15 06:30:05,934 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:30:05" (1/1) ... [2019-10-15 06:30:05,940 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 06:30:05,942 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 06:30:05,943 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 06:30:05,943 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 06:30:05,944 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:30:05" (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 06:30:06,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 06:30:06,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 06:30:06,000 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-10-15 06:30:06,001 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2019-10-15 06:30:06,001 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-10-15 06:30:06,001 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 06:30:06,001 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 06:30:06,002 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 06:30:06,002 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-15 06:30:06,003 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-10-15 06:30:06,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 06:30:06,003 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2019-10-15 06:30:06,004 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-10-15 06:30:06,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 06:30:06,004 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 06:30:06,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 06:30:06,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 06:30:06,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 06:30:06,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 06:30:06,372 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 06:30:06,372 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-15 06:30:06,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:30:06 BoogieIcfgContainer [2019-10-15 06:30:06,375 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 06:30:06,375 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-15 06:30:06,375 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-15 06:30:06,376 INFO L275 PluginConnector]: Sifa initialized [2019-10-15 06:30:06,377 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:30:06" (1/1) ... [2019-10-15 06:30:06,377 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 06:30:06,399 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-15 06:30:06,400 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 06:30:06,407 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 06:30:06,415 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 06:30:06,416 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 06:30:06,805 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 51 for LOIs [2019-10-15 06:30:07,055 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 39 [2019-10-15 06:30:07,312 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 06:30:07,332 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 06:30:07,383 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 06:30:07,402 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 06:30:07,459 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 06:30:07,473 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 06:30:07,866 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-15 06:30:07,891 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-15 06:30:07,891 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-15 06:30:07,894 INFO L168 Benchmark]: Toolchain (without parser) took 2378.27 ms. Allocated memory was 137.9 MB in the beginning and 233.8 MB in the end (delta: 95.9 MB). Free memory was 102.8 MB in the beginning and 132.3 MB in the end (delta: -29.5 MB). Peak memory consumption was 66.4 MB. Max. memory is 7.1 GB. [2019-10-15 06:30:07,895 INFO L168 Benchmark]: CDTParser took 1.26 ms. Allocated memory is still 137.9 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. [2019-10-15 06:30:07,900 INFO L168 Benchmark]: CACSL2BoogieTranslator took 375.66 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 102.6 MB in the beginning and 180.4 MB in the end (delta: -77.8 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. [2019-10-15 06:30:07,902 INFO L168 Benchmark]: Boogie Preprocessor took 50.17 ms. Allocated memory is still 202.4 MB. Free memory was 180.4 MB in the beginning and 178.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-10-15 06:30:07,903 INFO L168 Benchmark]: RCFGBuilder took 432.33 ms. Allocated memory is still 202.4 MB. Free memory was 178.6 MB in the beginning and 156.9 MB in the end (delta: 21.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. [2019-10-15 06:30:07,903 INFO L168 Benchmark]: Sifa took 1516.26 ms. Allocated memory was 202.4 MB in the beginning and 233.8 MB in the end (delta: 31.5 MB). Free memory was 156.9 MB in the beginning and 132.3 MB in the end (delta: 24.6 MB). Peak memory consumption was 56.1 MB. Max. memory is 7.1 GB. [2019-10-15 06:30:07,913 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.26 ms. Allocated memory is still 137.9 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 375.66 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 102.6 MB in the beginning and 180.4 MB in the end (delta: -77.8 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 50.17 ms. Allocated memory is still 202.4 MB. Free memory was 180.4 MB in the beginning and 178.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 432.33 ms. Allocated memory is still 202.4 MB. Free memory was 178.6 MB in the beginning and 156.9 MB in the end (delta: 21.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. * Sifa took 1516.26 ms. Allocated memory was 202.4 MB in the beginning and 233.8 MB in the end (delta: 31.5 MB). Free memory was 156.9 MB in the beginning and 132.3 MB in the end (delta: 24.6 MB). Peak memory consumption was 56.1 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]: 1467, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 30, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 21, TOOLS_POST_TIME[ms]: 803, TOOLS_POST_CALL_APPLICATIONS: 8, TOOLS_POST_CALL_TIME[ms]: 86, TOOLS_POST_RETURN_APPLICATIONS: 7, TOOLS_POST_RETURN_TIME[ms]: 22, TOOLS_QUANTIFIERELIM_APPLICATIONS: 34, TOOLS_QUANTIFIERELIM_TIME[ms]: 879, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 288, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 32, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 9, DOMAIN_JOIN_TIME[ms]: 381, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 87, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 5, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 8, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 234, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 234, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 7, CALL_SUMMARIZER_CACHE_MISSES: 4, CALL_SUMMARIZER_OVERALL_TIME[ms]: 708, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 708, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 19, DAG_COMPRESSION_PROCESSED_NODES: 93, DAG_COMPRESSION_RETAINED_NODES: 47 - UnprovableResult [Line: 50]: 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 112#(and (= |#NULL.base| 0) (<= main_~pd2~0.offset 0) (<= 0 |~#d1~0.offset|) (<= |#NULL.base| 0) (= |~#d1~0.offset| 0) (<= 0 |~#d2~0.offset|) (<= 0 |#NULL.base|) (<= |~#d2~0.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 main_~pd1~0.offset) (= |~#d2~0.offset| 0) (<= |~#d1~0.offset| 0) (<= main_~pd1~0.offset 0) (<= 0 main_~pd2~0.offset) (= |#NULL.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...