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/array-examples/standard_init5_ground-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 04:54:34,097 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 04:54:34,100 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 04:54:34,118 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 04:54:34,118 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 04:54:34,120 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 04:54:34,122 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 04:54:34,131 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 04:54:34,133 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 04:54:34,134 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 04:54:34,135 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 04:54:34,136 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 04:54:34,136 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 04:54:34,137 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 04:54:34,138 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 04:54:34,140 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 04:54:34,140 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 04:54:34,141 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 04:54:34,143 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 04:54:34,145 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 04:54:34,146 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 04:54:34,147 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 04:54:34,148 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 04:54:34,149 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 04:54:34,151 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 04:54:34,151 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 04:54:34,152 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 04:54:34,153 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 04:54:34,153 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 04:54:34,154 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 04:54:34,154 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 04:54:34,155 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 04:54:34,156 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 04:54:34,157 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 04:54:34,158 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 04:54:34,158 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 04:54:34,162 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 04:54:34,162 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 04:54:34,162 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 04:54:34,163 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 04:54:34,163 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 04:54:34,166 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 04:54:34,180 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 04:54:34,181 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 04:54:34,182 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 04:54:34,182 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 04:54:34,182 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 04:54:34,182 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 04:54:34,183 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 04:54:34,183 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 04:54:34,183 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 04:54:34,183 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 04:54:34,183 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 04:54:34,184 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 04:54:34,184 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 04:54:34,184 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 04:54:34,184 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 04:54:34,184 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 04:54:34,185 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 04:54:34,185 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 04:54:34,185 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 04:54:34,185 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 04:54:34,185 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 04:54:34,186 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 04:54:34,186 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 04:54:34,186 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 04:54:34,186 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 04:54:34,186 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 04:54:34,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 04:54:34,187 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 04:54:34,187 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 04:54:34,488 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 04:54:34,502 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 04:54:34,506 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 04:54:34,507 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 04:54:34,508 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 04:54:34,509 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/standard_init5_ground-1.i [2019-10-15 04:54:34,590 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbabc4813/35e9a0b6507c4dd9bdac3534e8ae67b1/FLAG689378e8e [2019-10-15 04:54:35,110 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 04:54:35,111 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-examples/standard_init5_ground-1.i [2019-10-15 04:54:35,116 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbabc4813/35e9a0b6507c4dd9bdac3534e8ae67b1/FLAG689378e8e [2019-10-15 04:54:35,518 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbabc4813/35e9a0b6507c4dd9bdac3534e8ae67b1 [2019-10-15 04:54:35,529 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 04:54:35,531 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 04:54:35,532 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 04:54:35,532 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 04:54:35,536 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 04:54:35,537 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:54:35" (1/1) ... [2019-10-15 04:54:35,540 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@eb7c29b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:54:35, skipping insertion in model container [2019-10-15 04:54:35,540 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:54:35" (1/1) ... [2019-10-15 04:54:35,548 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 04:54:35,570 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 04:54:35,763 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:54:35,775 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 04:54:35,797 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:54:35,906 INFO L192 MainTranslator]: Completed translation [2019-10-15 04:54:35,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:54:35 WrapperNode [2019-10-15 04:54:35,908 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 04:54:35,909 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 04:54:35,909 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 04:54:35,909 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 04:54:35,920 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:54:35" (1/1) ... [2019-10-15 04:54:35,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:54:35" (1/1) ... [2019-10-15 04:54:35,927 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:54:35" (1/1) ... [2019-10-15 04:54:35,927 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:54:35" (1/1) ... [2019-10-15 04:54:35,934 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:54:35" (1/1) ... [2019-10-15 04:54:35,943 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:54:35" (1/1) ... [2019-10-15 04:54:35,944 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:54:35" (1/1) ... [2019-10-15 04:54:35,945 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 04:54:35,946 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 04:54:35,946 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 04:54:35,946 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 04:54:35,947 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:54:35" (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 04:54:35,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 04:54:35,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 04:54:35,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-15 04:54:35,995 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 04:54:35,996 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 04:54:35,996 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-15 04:54:35,996 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 04:54:35,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 04:54:35,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 04:54:35,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 04:54:35,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 04:54:35,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 04:54:35,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 04:54:36,405 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 04:54:36,405 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-10-15 04:54:36,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:54:36 BoogieIcfgContainer [2019-10-15 04:54:36,407 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 04:54:36,407 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-15 04:54:36,407 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-15 04:54:36,408 INFO L275 PluginConnector]: Sifa initialized [2019-10-15 04:54:36,409 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:54:36" (1/1) ... [2019-10-15 04:54:36,410 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 04:54:36,432 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-15 04:54:36,432 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 04:54:36,439 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 04:54:36,448 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 04:54:36,449 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 04:54:36,630 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 21 for LOIs [2019-10-15 04:54:37,883 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 15 for LOIs [2019-10-15 04:54:37,893 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-15 04:54:37,907 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-15 04:54:37,907 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-15 04:54:37,909 INFO L168 Benchmark]: Toolchain (without parser) took 2378.69 ms. Allocated memory was 143.7 MB in the beginning and 231.2 MB in the end (delta: 87.6 MB). Free memory was 100.7 MB in the beginning and 120.9 MB in the end (delta: -20.2 MB). Peak memory consumption was 67.4 MB. Max. memory is 7.1 GB. [2019-10-15 04:54:37,910 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 143.7 MB. Free memory was 118.8 MB in the beginning and 118.6 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-15 04:54:37,911 INFO L168 Benchmark]: CACSL2BoogieTranslator took 376.71 ms. Allocated memory was 143.7 MB in the beginning and 201.3 MB in the end (delta: 57.7 MB). Free memory was 100.3 MB in the beginning and 180.6 MB in the end (delta: -80.3 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. [2019-10-15 04:54:37,912 INFO L168 Benchmark]: Boogie Preprocessor took 36.74 ms. Allocated memory is still 201.3 MB. Free memory was 180.6 MB in the beginning and 178.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-10-15 04:54:37,913 INFO L168 Benchmark]: RCFGBuilder took 461.07 ms. Allocated memory is still 201.3 MB. Free memory was 178.1 MB in the beginning and 158.9 MB in the end (delta: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 7.1 GB. [2019-10-15 04:54:37,914 INFO L168 Benchmark]: Sifa took 1500.14 ms. Allocated memory was 201.3 MB in the beginning and 231.2 MB in the end (delta: 29.9 MB). Free memory was 158.9 MB in the beginning and 120.9 MB in the end (delta: 38.1 MB). Peak memory consumption was 68.0 MB. Max. memory is 7.1 GB. [2019-10-15 04:54:37,917 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 143.7 MB. Free memory was 118.8 MB in the beginning and 118.6 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 376.71 ms. Allocated memory was 143.7 MB in the beginning and 201.3 MB in the end (delta: 57.7 MB). Free memory was 100.3 MB in the beginning and 180.6 MB in the end (delta: -80.3 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 36.74 ms. Allocated memory is still 201.3 MB. Free memory was 180.6 MB in the beginning and 178.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 461.07 ms. Allocated memory is still 201.3 MB. Free memory was 178.1 MB in the beginning and 158.9 MB in the end (delta: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 7.1 GB. * Sifa took 1500.14 ms. Allocated memory was 201.3 MB in the beginning and 231.2 MB in the end (delta: 29.9 MB). Free memory was 158.9 MB in the beginning and 120.9 MB in the end (delta: 38.1 MB). Peak memory consumption was 68.0 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]: 1462, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 49, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 37, TOOLS_POST_TIME[ms]: 441, TOOLS_POST_CALL_APPLICATIONS: 6, TOOLS_POST_CALL_TIME[ms]: 46, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 12, TOOLS_QUANTIFIERELIM_APPLICATIONS: 47, TOOLS_QUANTIFIERELIM_TIME[ms]: 469, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 93, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 67, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 22, DOMAIN_JOIN_TIME[ms]: 439, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 12, DOMAIN_WIDEN_TIME[ms]: 373, DOMAIN_ISSUBSETEQ_APPLICATIONS: 18, DOMAIN_ISSUBSETEQ_TIME[ms]: 58, DOMAIN_ISBOTTOM_APPLICATIONS: 1, DOMAIN_ISBOTTOM_TIME[ms]: 1, LOOP_SUMMARIZER_APPLICATIONS: 6, LOOP_SUMMARIZER_CACHE_MISSES: 6, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1227, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1225, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 18, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 145, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 144, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 20, DAG_COMPRESSION_PROCESSED_NODES: 94, DAG_COMPRESSION_RETAINED_NODES: 46 - UnprovableResult [Line: 2]: 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 221#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 0 |#NULL.base|) (<= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...