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_seq_init_ground.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 04:54:44,260 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 04:54:44,263 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 04:54:44,280 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 04:54:44,281 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 04:54:44,282 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 04:54:44,284 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 04:54:44,293 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 04:54:44,298 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 04:54:44,301 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 04:54:44,301 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 04:54:44,303 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 04:54:44,303 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 04:54:44,305 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 04:54:44,307 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 04:54:44,309 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 04:54:44,310 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 04:54:44,311 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 04:54:44,312 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 04:54:44,317 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 04:54:44,322 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 04:54:44,325 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 04:54:44,328 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 04:54:44,329 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 04:54:44,332 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-15 04:54:44,337 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 04:54:44,338 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 04:54:44,339 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 04:54:44,339 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 04:54:44,341 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 04:54:44,341 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 04:54:44,342 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 04:54:44,342 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 04:54:44,342 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 04:54:44,343 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 04:54:44,344 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 04:54:44,345 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 04:54:44,371 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 04:54:44,371 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 04:54:44,373 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 04:54:44,373 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 04:54:44,373 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 04:54:44,373 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 04:54:44,374 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 04:54:44,374 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 04:54:44,374 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 04:54:44,374 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 04:54:44,374 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 04:54:44,374 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 04:54:44,375 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 04:54:44,375 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 04:54:44,375 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 04:54:44,375 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 04:54:44,375 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 04:54:44,376 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 04:54:44,376 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 04:54:44,376 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 04:54:44,376 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 04:54:44,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 04:54:44,377 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 04:54:44,377 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 04:54:44,377 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 04:54:44,377 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 04:54:44,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 04:54:44,377 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 04:54:44,378 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 04:54:44,658 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 04:54:44,672 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 04:54:44,675 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 04:54:44,677 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 04:54:44,677 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 04:54:44,678 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/standard_seq_init_ground.i [2019-10-15 04:54:44,742 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e1c3a6f5/abf75b07715e495087c3769eee0ebc14/FLAG4011c6fc9 [2019-10-15 04:54:45,187 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 04:54:45,194 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-examples/standard_seq_init_ground.i [2019-10-15 04:54:45,201 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e1c3a6f5/abf75b07715e495087c3769eee0ebc14/FLAG4011c6fc9 [2019-10-15 04:54:45,581 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e1c3a6f5/abf75b07715e495087c3769eee0ebc14 [2019-10-15 04:54:45,593 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 04:54:45,595 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 04:54:45,596 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 04:54:45,596 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 04:54:45,600 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 04:54:45,601 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:54:45" (1/1) ... [2019-10-15 04:54:45,604 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@709a20b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:54:45, skipping insertion in model container [2019-10-15 04:54:45,604 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:54:45" (1/1) ... [2019-10-15 04:54:45,612 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 04:54:45,633 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 04:54:45,809 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:54:45,813 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 04:54:45,835 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:54:45,857 INFO L192 MainTranslator]: Completed translation [2019-10-15 04:54:45,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:54:45 WrapperNode [2019-10-15 04:54:45,858 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 04:54:45,859 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 04:54:45,859 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 04:54:45,859 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 04:54:45,965 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:54:45" (1/1) ... [2019-10-15 04:54:45,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:54:45" (1/1) ... [2019-10-15 04:54:45,973 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:54:45" (1/1) ... [2019-10-15 04:54:45,975 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:54:45" (1/1) ... [2019-10-15 04:54:45,984 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:54:45" (1/1) ... [2019-10-15 04:54:45,989 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:54:45" (1/1) ... [2019-10-15 04:54:45,991 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:54:45" (1/1) ... [2019-10-15 04:54:45,998 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 04:54:45,999 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 04:54:45,999 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 04:54:45,999 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 04:54:46,000 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:54:45" (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 04:54:46,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 04:54:46,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 04:54:46,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-15 04:54:46,059 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 04:54:46,059 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 04:54:46,060 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-15 04:54:46,060 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 04:54:46,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 04:54:46,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 04:54:46,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 04:54:46,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 04:54:46,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 04:54:46,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 04:54:46,362 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 04:54:46,362 INFO L284 CfgBuilder]: Removed 2 assume(true) statements. [2019-10-15 04:54:46,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:54:46 BoogieIcfgContainer [2019-10-15 04:54:46,364 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 04:54:46,365 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-15 04:54:46,365 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-15 04:54:46,365 INFO L275 PluginConnector]: Sifa initialized [2019-10-15 04:54:46,366 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:54:46" (1/1) ... [2019-10-15 04:54:46,367 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 04:54:46,413 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-15 04:54:46,414 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 04:54:46,421 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 04:54:46,429 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 04:54:46,431 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 04:54:46,617 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 21 for LOIs [2019-10-15 04:54:47,256 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 32 for LOIs [2019-10-15 04:54:47,262 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-15 04:54:47,278 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-15 04:54:47,278 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-15 04:54:47,281 INFO L168 Benchmark]: Toolchain (without parser) took 1685.74 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 102.8 MB in the beginning and 106.1 MB in the end (delta: -3.2 MB). Peak memory consumption was 54.4 MB. Max. memory is 7.1 GB. [2019-10-15 04:54:47,282 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 146.3 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-15 04:54:47,283 INFO L168 Benchmark]: CACSL2BoogieTranslator took 262.35 ms. Allocated memory is still 146.3 MB. Free memory was 102.6 MB in the beginning and 92.9 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-10-15 04:54:47,285 INFO L168 Benchmark]: Boogie Preprocessor took 139.93 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 92.9 MB in the beginning and 181.6 MB in the end (delta: -88.7 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-10-15 04:54:47,286 INFO L168 Benchmark]: RCFGBuilder took 365.26 ms. Allocated memory is still 203.9 MB. Free memory was 181.6 MB in the beginning and 166.2 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 7.1 GB. [2019-10-15 04:54:47,287 INFO L168 Benchmark]: Sifa took 913.92 ms. Allocated memory is still 203.9 MB. Free memory was 166.2 MB in the beginning and 106.1 MB in the end (delta: 60.2 MB). Peak memory consumption was 60.2 MB. Max. memory is 7.1 GB. [2019-10-15 04:54:47,291 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 146.3 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 262.35 ms. Allocated memory is still 146.3 MB. Free memory was 102.6 MB in the beginning and 92.9 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 139.93 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 92.9 MB in the beginning and 181.6 MB in the end (delta: -88.7 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 365.26 ms. Allocated memory is still 203.9 MB. Free memory was 181.6 MB in the beginning and 166.2 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 7.1 GB. * Sifa took 913.92 ms. Allocated memory is still 203.9 MB. Free memory was 166.2 MB in the beginning and 106.1 MB in the end (delta: 60.2 MB). Peak memory consumption was 60.2 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]: 849, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 29, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 21, TOOLS_POST_TIME[ms]: 154, TOOLS_POST_CALL_APPLICATIONS: 6, TOOLS_POST_CALL_TIME[ms]: 55, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 8, TOOLS_QUANTIFIERELIM_APPLICATIONS: 31, TOOLS_QUANTIFIERELIM_TIME[ms]: 196, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 100, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 35, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 10, DOMAIN_JOIN_TIME[ms]: 254, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 258, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 39, DOMAIN_ISBOTTOM_APPLICATIONS: 1, DOMAIN_ISBOTTOM_TIME[ms]: 3, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 623, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 622, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 156, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 156, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 2, DAG_COMPRESSION_TIME[ms]: 13, DAG_COMPRESSION_PROCESSED_NODES: 50, DAG_COMPRESSION_RETAINED_NODES: 32 - 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 101#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (exists ((|v_main_~#a~0.base_BEFORE_CALL_4| Int) (v_main_~x~0_BEFORE_CALL_4 Int)) (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 v_main_~x~0_BEFORE_CALL_4) (not (<= (select (select |#memory_int| |v_main_~#a~0.base_BEFORE_CALL_4|) (+ (* v_main_~x~0_BEFORE_CALL_4 4) (- 4))) (select (select |#memory_int| |v_main_~#a~0.base_BEFORE_CALL_4|) (* v_main_~x~0_BEFORE_CALL_4 4)))) (< v_main_~x~0_BEFORE_CALL_4 100000) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 v_main_~x~0_BEFORE_CALL_4) (<= (select (select |#memory_int| |v_main_~#a~0.base_BEFORE_CALL_4|) (+ (* v_main_~x~0_BEFORE_CALL_4 4) (- 4))) (select (select |#memory_int| |v_main_~#a~0.base_BEFORE_CALL_4|) (* v_main_~x~0_BEFORE_CALL_4 4))) (< v_main_~x~0_BEFORE_CALL_4 100000) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...