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/loop-acceleration/simple_2-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 06:33:18,762 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 06:33:18,765 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 06:33:18,782 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 06:33:18,782 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 06:33:18,783 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 06:33:18,784 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 06:33:18,786 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 06:33:18,788 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 06:33:18,788 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 06:33:18,789 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 06:33:18,790 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 06:33:18,791 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 06:33:18,792 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 06:33:18,793 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 06:33:18,794 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 06:33:18,794 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 06:33:18,795 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 06:33:18,797 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 06:33:18,799 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 06:33:18,800 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 06:33:18,801 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 06:33:18,802 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 06:33:18,803 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 06:33:18,805 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 06:33:18,806 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 06:33:18,806 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 06:33:18,807 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 06:33:18,807 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 06:33:18,808 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 06:33:18,808 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 06:33:18,809 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 06:33:18,810 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 06:33:18,810 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 06:33:18,811 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 06:33:18,812 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 06:33:18,812 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 06:33:18,812 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 06:33:18,813 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 06:33:18,814 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 06:33:18,814 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 06:33:18,815 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 06:33:18,829 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 06:33:18,829 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 06:33:18,830 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 06:33:18,831 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 06:33:18,831 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 06:33:18,831 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 06:33:18,831 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 06:33:18,831 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 06:33:18,832 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 06:33:18,832 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 06:33:18,832 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 06:33:18,832 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 06:33:18,832 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 06:33:18,832 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 06:33:18,833 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 06:33:18,833 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 06:33:18,833 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 06:33:18,833 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 06:33:18,833 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 06:33:18,834 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 06:33:18,834 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 06:33:18,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 06:33:18,834 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 06:33:18,834 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 06:33:18,835 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 06:33:18,835 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 06:33:18,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 06:33:18,835 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 06:33:18,835 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 06:33:19,111 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 06:33:19,123 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 06:33:19,127 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 06:33:19,128 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 06:33:19,128 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 06:33:19,129 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/simple_2-2.c [2019-10-15 06:33:19,204 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58e807175/418bb2a4a7fd4d249a467a15e017f87a/FLAGbe4ba33da [2019-10-15 06:33:19,685 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 06:33:19,687 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/simple_2-2.c [2019-10-15 06:33:19,693 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58e807175/418bb2a4a7fd4d249a467a15e017f87a/FLAGbe4ba33da [2019-10-15 06:33:20,093 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58e807175/418bb2a4a7fd4d249a467a15e017f87a [2019-10-15 06:33:20,101 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 06:33:20,103 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 06:33:20,104 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 06:33:20,104 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 06:33:20,107 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 06:33:20,108 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:33:20" (1/1) ... [2019-10-15 06:33:20,111 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@325392ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:33:20, skipping insertion in model container [2019-10-15 06:33:20,111 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:33:20" (1/1) ... [2019-10-15 06:33:20,118 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 06:33:20,139 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 06:33:20,292 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 06:33:20,296 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 06:33:20,313 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 06:33:20,331 INFO L192 MainTranslator]: Completed translation [2019-10-15 06:33:20,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:33:20 WrapperNode [2019-10-15 06:33:20,332 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 06:33:20,333 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 06:33:20,333 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 06:33:20,333 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 06:33:20,419 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:33:20" (1/1) ... [2019-10-15 06:33:20,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:33:20" (1/1) ... [2019-10-15 06:33:20,424 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:33:20" (1/1) ... [2019-10-15 06:33:20,424 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:33:20" (1/1) ... [2019-10-15 06:33:20,426 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:33:20" (1/1) ... [2019-10-15 06:33:20,430 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:33:20" (1/1) ... [2019-10-15 06:33:20,431 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:33:20" (1/1) ... [2019-10-15 06:33:20,432 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 06:33:20,433 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 06:33:20,433 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 06:33:20,433 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 06:33:20,434 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:33:20" (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 06:33:20,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 06:33:20,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 06:33:20,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-15 06:33:20,484 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 06:33:20,484 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 06:33:20,484 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-15 06:33:20,484 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-15 06:33:20,485 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 06:33:20,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 06:33:20,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 06:33:20,643 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 06:33:20,643 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-15 06:33:20,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:33:20 BoogieIcfgContainer [2019-10-15 06:33:20,644 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 06:33:20,645 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-15 06:33:20,645 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-15 06:33:20,645 INFO L275 PluginConnector]: Sifa initialized [2019-10-15 06:33:20,646 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:33:20" (1/1) ... [2019-10-15 06:33:20,647 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 06:33:20,670 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-15 06:33:20,670 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 06:33:20,675 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 06:33:20,684 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 06:33:20,685 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 06:33:20,773 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-10-15 06:33:20,811 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-10-15 06:33:20,857 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-15 06:33:20,873 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-15 06:33:20,873 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-15 06:33:20,880 INFO L168 Benchmark]: Toolchain (without parser) took 772.02 ms. Allocated memory was 137.4 MB in the beginning and 200.3 MB in the end (delta: 62.9 MB). Free memory was 100.4 MB in the beginning and 157.5 MB in the end (delta: -57.1 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. [2019-10-15 06:33:20,881 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 137.4 MB. Free memory is still 119.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-15 06:33:20,882 INFO L168 Benchmark]: CACSL2BoogieTranslator took 229.13 ms. Allocated memory is still 137.4 MB. Free memory was 100.4 MB in the beginning and 91.2 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-10-15 06:33:20,883 INFO L168 Benchmark]: Boogie Preprocessor took 99.19 ms. Allocated memory was 137.4 MB in the beginning and 200.3 MB in the end (delta: 62.9 MB). Free memory was 91.2 MB in the beginning and 178.4 MB in the end (delta: -87.3 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. [2019-10-15 06:33:20,887 INFO L168 Benchmark]: RCFGBuilder took 212.06 ms. Allocated memory is still 200.3 MB. Free memory was 178.4 MB in the beginning and 167.3 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-10-15 06:33:20,889 INFO L168 Benchmark]: Sifa took 227.99 ms. Allocated memory is still 200.3 MB. Free memory was 167.3 MB in the beginning and 157.5 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-10-15 06:33:20,900 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 137.4 MB. Free memory is still 119.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 229.13 ms. Allocated memory is still 137.4 MB. Free memory was 100.4 MB in the beginning and 91.2 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 99.19 ms. Allocated memory was 137.4 MB in the beginning and 200.3 MB in the end (delta: 62.9 MB). Free memory was 91.2 MB in the beginning and 178.4 MB in the end (delta: -87.3 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 212.06 ms. Allocated memory is still 200.3 MB. Free memory was 178.4 MB in the beginning and 167.3 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * Sifa took 227.99 ms. Allocated memory is still 200.3 MB. Free memory was 167.3 MB in the beginning and 157.5 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 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]: 187, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 11, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 7, TOOLS_POST_TIME[ms]: 10, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 20, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 11, TOOLS_QUANTIFIERELIM_TIME[ms]: 22, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 12, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 3, DOMAIN_JOIN_TIME[ms]: 91, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 1, DOMAIN_ISSUBSETEQ_TIME[ms]: 6, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 16, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 15, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 1, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 50, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 49, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 12, DAG_COMPRESSION_PROCESSED_NODES: 42, DAG_COMPRESSION_RETAINED_NODES: 28 - UnprovableResult [Line: 6]: 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 25#(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...