/usr/bin/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/terminator_03-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 10:11:13,526 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 10:11:13,528 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 10:11:13,540 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 10:11:13,541 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 10:11:13,542 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 10:11:13,543 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 10:11:13,545 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 10:11:13,547 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 10:11:13,547 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 10:11:13,548 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 10:11:13,550 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 10:11:13,550 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 10:11:13,551 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 10:11:13,552 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 10:11:13,553 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 10:11:13,554 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 10:11:13,555 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 10:11:13,556 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 10:11:13,558 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 10:11:13,559 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 10:11:13,560 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 10:11:13,562 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 10:11:13,562 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 10:11:13,565 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 10:11:13,565 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 10:11:13,565 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 10:11:13,566 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 10:11:13,566 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 10:11:13,567 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 10:11:13,568 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 10:11:13,568 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 10:11:13,569 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 10:11:13,570 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 10:11:13,571 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 10:11:13,571 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 10:11:13,572 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 10:11:13,572 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 10:11:13,572 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 10:11:13,573 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 10:11:13,574 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 10:11:13,574 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 [2019-11-07 10:11:13,588 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 10:11:13,589 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 10:11:13,590 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 10:11:13,590 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 10:11:13,590 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 10:11:13,590 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 10:11:13,591 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 10:11:13,591 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 10:11:13,591 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 10:11:13,591 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 10:11:13,591 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 10:11:13,592 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 10:11:13,592 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 10:11:13,592 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 10:11:13,593 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 10:11:13,593 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 10:11:13,593 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 10:11:13,593 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 10:11:13,593 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 10:11:13,594 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 10:11:13,594 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 10:11:13,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 10:11:13,594 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 10:11:13,595 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 10:11:13,595 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 10:11:13,595 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 10:11:13,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 10:11:13,596 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 10:11:13,596 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 [2019-11-07 10:11:13,900 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 10:11:13,913 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 10:11:13,916 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 10:11:13,918 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 10:11:13,918 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 10:11:13,919 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/terminator_03-1.c [2019-11-07 10:11:13,979 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf2b0e467/5d657609a02b482c85e05213cddd7c29/FLAGc732639ea [2019-11-07 10:11:14,408 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 10:11:14,409 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/terminator_03-1.c [2019-11-07 10:11:14,415 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf2b0e467/5d657609a02b482c85e05213cddd7c29/FLAGc732639ea [2019-11-07 10:11:14,767 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf2b0e467/5d657609a02b482c85e05213cddd7c29 [2019-11-07 10:11:14,777 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 10:11:14,779 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 10:11:14,781 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 10:11:14,781 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 10:11:14,785 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 10:11:14,786 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:11:14" (1/1) ... [2019-11-07 10:11:14,789 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4da2c6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:11:14, skipping insertion in model container [2019-11-07 10:11:14,789 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:11:14" (1/1) ... [2019-11-07 10:11:14,798 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 10:11:14,817 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 10:11:15,012 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:11:15,016 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 10:11:15,030 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:11:15,041 INFO L192 MainTranslator]: Completed translation [2019-11-07 10:11:15,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:11:15 WrapperNode [2019-11-07 10:11:15,042 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 10:11:15,043 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 10:11:15,043 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 10:11:15,043 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 10:11:15,139 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:11:15" (1/1) ... [2019-11-07 10:11:15,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:11:15" (1/1) ... [2019-11-07 10:11:15,148 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:11:15" (1/1) ... [2019-11-07 10:11:15,148 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:11:15" (1/1) ... [2019-11-07 10:11:15,151 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:11:15" (1/1) ... [2019-11-07 10:11:15,156 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:11:15" (1/1) ... [2019-11-07 10:11:15,157 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:11:15" (1/1) ... [2019-11-07 10:11:15,158 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 10:11:15,159 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 10:11:15,159 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 10:11:15,159 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 10:11:15,160 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:11:15" (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 [2019-11-07 10:11:15,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 10:11:15,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 10:11:15,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-11-07 10:11:15,225 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 10:11:15,225 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 10:11:15,225 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-11-07 10:11:15,225 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 10:11:15,225 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 10:11:15,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 10:11:15,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 10:11:15,389 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 10:11:15,389 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-07 10:11:15,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:11:15 BoogieIcfgContainer [2019-11-07 10:11:15,391 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 10:11:15,391 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 10:11:15,391 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 10:11:15,392 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 10:11:15,393 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:11:15" (1/1) ... [2019-11-07 10:11:15,393 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 [2019-11-07 10:11:15,418 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-07 10:11:15,418 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 10:11:15,426 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 10:11:15,437 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 10:11:15,439 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 10:11:15,519 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-11-07 10:11:15,724 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-11-07 10:11:15,728 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-07 10:11:15,742 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-07 10:11:15,743 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-07 10:11:15,745 INFO L168 Benchmark]: Toolchain (without parser) took 965.97 ms. Allocated memory was 140.0 MB in the beginning and 200.3 MB in the end (delta: 60.3 MB). Free memory was 100.9 MB in the beginning and 154.6 MB in the end (delta: -53.7 MB). Peak memory consumption was 6.6 MB. Max. memory is 7.1 GB. [2019-11-07 10:11:15,746 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 140.0 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-07 10:11:15,747 INFO L168 Benchmark]: CACSL2BoogieTranslator took 261.21 ms. Allocated memory is still 140.0 MB. Free memory was 100.7 MB in the beginning and 91.5 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-11-07 10:11:15,748 INFO L168 Benchmark]: Boogie Preprocessor took 115.93 ms. Allocated memory was 140.0 MB in the beginning and 200.3 MB in the end (delta: 60.3 MB). Free memory was 91.5 MB in the beginning and 179.0 MB in the end (delta: -87.5 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2019-11-07 10:11:15,749 INFO L168 Benchmark]: RCFGBuilder took 231.77 ms. Allocated memory is still 200.3 MB. Free memory was 179.0 MB in the beginning and 167.2 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. [2019-11-07 10:11:15,750 INFO L168 Benchmark]: Sifa took 351.58 ms. Allocated memory is still 200.3 MB. Free memory was 167.2 MB in the beginning and 154.6 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. [2019-11-07 10:11:15,754 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 140.0 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 261.21 ms. Allocated memory is still 140.0 MB. Free memory was 100.7 MB in the beginning and 91.5 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.93 ms. Allocated memory was 140.0 MB in the beginning and 200.3 MB in the end (delta: 60.3 MB). Free memory was 91.5 MB in the beginning and 179.0 MB in the end (delta: -87.5 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 231.77 ms. Allocated memory is still 200.3 MB. Free memory was 179.0 MB in the beginning and 167.2 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. * Sifa took 351.58 ms. Allocated memory is still 200.3 MB. Free memory was 167.2 MB in the beginning and 154.6 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 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]: 311, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 1, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 10, TOOLS_POST_TIME[ms]: 48, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 31, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 14, TOOLS_QUANTIFIERELIM_TIME[ms]: 56, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 23, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 20, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 1, DOMAIN_JOIN_TIME[ms]: 36, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 96, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 6, DOMAIN_ISBOTTOM_APPLICATIONS: 1, DOMAIN_ISBOTTOM_TIME[ms]: 4, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 118, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 117, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 10, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 10, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 9, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 8, DAG_COMPRESSION_TIME[ms]: 15, DAG_COMPRESSION_PROCESSED_NODES: 53, DAG_COMPRESSION_RETAINED_NODES: 31 - 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 27#(and (or (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| 0)) (= 0 __VERIFIER_assert_~cond) (= |__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...