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/loops/invert_string-3.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 06:34:38,845 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 06:34:38,848 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 06:34:38,862 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 06:34:38,863 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 06:34:38,864 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 06:34:38,865 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 06:34:38,867 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 06:34:38,869 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 06:34:38,870 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 06:34:38,871 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 06:34:38,872 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 06:34:38,872 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 06:34:38,873 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 06:34:38,875 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 06:34:38,876 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 06:34:38,877 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 06:34:38,877 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 06:34:38,879 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 06:34:38,881 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 06:34:38,883 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 06:34:38,884 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 06:34:38,885 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 06:34:38,886 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 06:34:38,888 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 06:34:38,888 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 06:34:38,888 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 06:34:38,889 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 06:34:38,890 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 06:34:38,891 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 06:34:38,891 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 06:34:38,892 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 06:34:38,893 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 06:34:38,894 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 06:34:38,895 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 06:34:38,895 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 06:34:38,896 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 06:34:38,896 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 06:34:38,896 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 06:34:38,897 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 06:34:38,897 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 06:34:38,898 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 06:34:38,913 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 06:34:38,913 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 06:34:38,914 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 06:34:38,915 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 06:34:38,915 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 06:34:38,915 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 06:34:38,915 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 06:34:38,915 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 06:34:38,916 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 06:34:38,916 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 06:34:38,916 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 06:34:38,916 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 06:34:38,916 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 06:34:38,917 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 06:34:38,917 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 06:34:38,917 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 06:34:38,917 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 06:34:38,917 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 06:34:38,918 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 06:34:38,918 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 06:34:38,918 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 06:34:38,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 06:34:38,918 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 06:34:38,919 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 06:34:38,919 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 06:34:38,919 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 06:34:38,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 06:34:38,919 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 06:34:38,920 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 06:34:39,231 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 06:34:39,244 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 06:34:39,247 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 06:34:39,249 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 06:34:39,249 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 06:34:39,250 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/invert_string-3.c [2019-10-15 06:34:39,309 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67d8947cb/354885f23d9a4e778a1fa6301d5346a8/FLAG92498b490 [2019-10-15 06:34:39,774 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 06:34:39,775 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/invert_string-3.c [2019-10-15 06:34:39,781 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67d8947cb/354885f23d9a4e778a1fa6301d5346a8/FLAG92498b490 [2019-10-15 06:34:40,157 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67d8947cb/354885f23d9a4e778a1fa6301d5346a8 [2019-10-15 06:34:40,169 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 06:34:40,173 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 06:34:40,174 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 06:34:40,174 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 06:34:40,178 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 06:34:40,179 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:34:40" (1/1) ... [2019-10-15 06:34:40,182 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bfc0887 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:34:40, skipping insertion in model container [2019-10-15 06:34:40,183 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:34:40" (1/1) ... [2019-10-15 06:34:40,191 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 06:34:40,212 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 06:34:40,417 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 06:34:40,423 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 06:34:40,444 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 06:34:40,464 INFO L192 MainTranslator]: Completed translation [2019-10-15 06:34:40,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:34:40 WrapperNode [2019-10-15 06:34:40,465 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 06:34:40,465 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 06:34:40,466 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 06:34:40,466 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 06:34:40,564 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:34:40" (1/1) ... [2019-10-15 06:34:40,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:34:40" (1/1) ... [2019-10-15 06:34:40,573 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:34:40" (1/1) ... [2019-10-15 06:34:40,574 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:34:40" (1/1) ... [2019-10-15 06:34:40,583 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:34:40" (1/1) ... [2019-10-15 06:34:40,590 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:34:40" (1/1) ... [2019-10-15 06:34:40,594 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:34:40" (1/1) ... [2019-10-15 06:34:40,597 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 06:34:40,599 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 06:34:40,599 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 06:34:40,600 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 06:34:40,602 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:34:40" (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 06:34:40,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 06:34:40,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 06:34:40,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-15 06:34:40,660 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 06:34:40,660 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 06:34:40,661 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-15 06:34:40,661 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-10-15 06:34:40,661 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 06:34:40,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 06:34:40,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 06:34:40,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 06:34:40,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 06:34:40,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 06:34:40,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 06:34:41,097 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 06:34:41,097 INFO L284 CfgBuilder]: Removed 3 assume(true) statements. [2019-10-15 06:34:41,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:34:41 BoogieIcfgContainer [2019-10-15 06:34:41,099 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 06:34:41,100 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-15 06:34:41,100 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-15 06:34:41,100 INFO L275 PluginConnector]: Sifa initialized [2019-10-15 06:34:41,101 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:34:41" (1/1) ... [2019-10-15 06:34:41,102 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 06:34:41,125 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-15 06:34:41,125 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 06:34:41,133 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 06:34:41,142 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 06:34:41,143 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 06:34:41,316 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 21 for LOIs [2019-10-15 06:34:41,565 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 06:34:41,709 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 37 [2019-10-15 06:34:41,975 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2019-10-15 06:34:42,063 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 06:34:42,113 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 06:34:42,127 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 06:34:42,137 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 06:34:42,149 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 06:34:42,314 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 41 [2019-10-15 06:34:42,577 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-10-15 06:34:42,584 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-15 06:34:42,597 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-15 06:34:42,598 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-15 06:34:42,600 INFO L168 Benchmark]: Toolchain (without parser) took 2426.79 ms. Allocated memory was 136.3 MB in the beginning and 229.1 MB in the end (delta: 92.8 MB). Free memory was 99.9 MB in the beginning and 173.7 MB in the end (delta: -73.7 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. [2019-10-15 06:34:42,606 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 136.3 MB. Free memory was 118.3 MB in the beginning and 118.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-15 06:34:42,608 INFO L168 Benchmark]: CACSL2BoogieTranslator took 291.36 ms. Allocated memory is still 136.3 MB. Free memory was 99.7 MB in the beginning and 89.5 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-10-15 06:34:42,609 INFO L168 Benchmark]: Boogie Preprocessor took 131.31 ms. Allocated memory was 136.3 MB in the beginning and 199.8 MB in the end (delta: 63.4 MB). Free memory was 89.5 MB in the beginning and 177.2 MB in the end (delta: -87.8 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. [2019-10-15 06:34:42,610 INFO L168 Benchmark]: RCFGBuilder took 500.11 ms. Allocated memory is still 199.8 MB. Free memory was 177.2 MB in the beginning and 156.8 MB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. [2019-10-15 06:34:42,612 INFO L168 Benchmark]: Sifa took 1498.06 ms. Allocated memory was 199.8 MB in the beginning and 229.1 MB in the end (delta: 29.4 MB). Free memory was 156.8 MB in the beginning and 173.7 MB in the end (delta: -16.9 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2019-10-15 06:34:42,621 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 136.3 MB. Free memory was 118.3 MB in the beginning and 118.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 291.36 ms. Allocated memory is still 136.3 MB. Free memory was 99.7 MB in the beginning and 89.5 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 131.31 ms. Allocated memory was 136.3 MB in the beginning and 199.8 MB in the end (delta: 63.4 MB). Free memory was 89.5 MB in the beginning and 177.2 MB in the end (delta: -87.8 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 500.11 ms. Allocated memory is still 199.8 MB. Free memory was 177.2 MB in the beginning and 156.8 MB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. * Sifa took 1498.06 ms. Allocated memory was 199.8 MB in the beginning and 229.1 MB in the end (delta: 29.4 MB). Free memory was 156.8 MB in the beginning and 173.7 MB in the end (delta: -16.9 MB). Peak memory consumption was 12.5 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]: 1459, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 33, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 24, TOOLS_POST_TIME[ms]: 1067, TOOLS_POST_CALL_APPLICATIONS: 6, TOOLS_POST_CALL_TIME[ms]: 46, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 10, TOOLS_QUANTIFIERELIM_APPLICATIONS: 34, TOOLS_QUANTIFIERELIM_TIME[ms]: 1092, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 606, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 41, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 12, DOMAIN_JOIN_TIME[ms]: 117, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME[ms]: 102, DOMAIN_ISSUBSETEQ_APPLICATIONS: 8, DOMAIN_ISSUBSETEQ_TIME[ms]: 34, DOMAIN_ISBOTTOM_APPLICATIONS: 1, DOMAIN_ISBOTTOM_TIME[ms]: 1, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1156, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1155, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 8, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 135, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 135, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 17, DAG_COMPRESSION_PROCESSED_NODES: 68, DAG_COMPRESSION_RETAINED_NODES: 37 - UnprovableResult [Line: 5]: 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 120#(and (or (and (= |__VERIFIER_assert_#in~cond| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 1) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...