/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/loop-lit/gsv2008.c.i.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 10:10:34,689 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 10:10:34,692 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 10:10:34,711 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 10:10:34,711 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 10:10:34,713 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 10:10:34,715 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 10:10:34,725 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 10:10:34,729 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 10:10:34,732 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 10:10:34,733 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 10:10:34,735 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 10:10:34,735 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 10:10:34,737 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 10:10:34,740 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 10:10:34,741 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 10:10:34,743 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 10:10:34,744 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 10:10:34,746 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 10:10:34,749 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 10:10:34,750 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 10:10:34,751 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 10:10:34,753 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 10:10:34,753 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 10:10:34,755 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-07 10:10:34,758 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 10:10:34,759 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 10:10:34,760 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 10:10:34,760 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 10:10:34,761 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 10:10:34,761 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 10:10:34,762 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 10:10:34,762 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 10:10:34,763 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 10:10:34,763 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 10:10:34,764 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 10:10:34,765 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 10:10:34,779 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 10:10:34,779 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 10:10:34,780 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 10:10:34,780 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 10:10:34,780 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 10:10:34,781 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 10:10:34,781 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 10:10:34,781 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 10:10:34,781 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 10:10:34,782 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 10:10:34,782 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 10:10:34,782 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 10:10:34,782 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 10:10:34,782 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 10:10:34,782 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 10:10:34,783 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 10:10:34,783 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 10:10:34,783 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 10:10:34,783 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 10:10:34,784 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 10:10:34,784 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 10:10:34,784 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 10:10:34,784 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 10:10:34,784 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 10:10:34,785 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 10:10:34,785 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 10:10:34,785 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 10:10:34,785 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 10:10:34,785 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 10:10:35,075 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 10:10:35,089 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 10:10:35,092 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 10:10:35,094 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 10:10:35,094 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 10:10:35,095 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/gsv2008.c.i.v+cfa-reducer.c [2019-11-07 10:10:35,173 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8680ffa8e/4ebfae51a79541cb9d2b77cfd2af73de/FLAG7e2d73dfd [2019-11-07 10:10:35,600 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 10:10:35,601 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/gsv2008.c.i.v+cfa-reducer.c [2019-11-07 10:10:35,607 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8680ffa8e/4ebfae51a79541cb9d2b77cfd2af73de/FLAG7e2d73dfd [2019-11-07 10:10:35,981 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8680ffa8e/4ebfae51a79541cb9d2b77cfd2af73de [2019-11-07 10:10:35,993 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 10:10:35,995 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 10:10:35,998 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 10:10:35,999 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 10:10:36,003 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 10:10:36,004 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:10:35" (1/1) ... [2019-11-07 10:10:36,007 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73c95312 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:10:36, skipping insertion in model container [2019-11-07 10:10:36,007 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:10:35" (1/1) ... [2019-11-07 10:10:36,017 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 10:10:36,042 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 10:10:36,268 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:10:36,275 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 10:10:36,296 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:10:36,314 INFO L192 MainTranslator]: Completed translation [2019-11-07 10:10:36,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:10:36 WrapperNode [2019-11-07 10:10:36,315 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 10:10:36,316 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 10:10:36,316 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 10:10:36,316 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 10:10:36,416 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:10:36" (1/1) ... [2019-11-07 10:10:36,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:10:36" (1/1) ... [2019-11-07 10:10:36,422 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:10:36" (1/1) ... [2019-11-07 10:10:36,424 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:10:36" (1/1) ... [2019-11-07 10:10:36,429 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:10:36" (1/1) ... [2019-11-07 10:10:36,431 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:10:36" (1/1) ... [2019-11-07 10:10:36,432 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:10:36" (1/1) ... [2019-11-07 10:10:36,433 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 10:10:36,440 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 10:10:36,440 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 10:10:36,440 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 10:10:36,441 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:10:36" (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 10:10:36,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 10:10:36,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 10:10:36,499 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 10:10:36,499 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 10:10:36,499 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-07 10:10:36,499 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-11-07 10:10:36,499 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 10:10:36,500 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 10:10:36,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 10:10:36,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 10:10:36,718 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 10:10:36,719 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-07 10:10:36,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:10:36 BoogieIcfgContainer [2019-11-07 10:10:36,720 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 10:10:36,721 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 10:10:36,721 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 10:10:36,721 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 10:10:36,722 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:10:36" (1/1) ... [2019-11-07 10:10:36,723 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 10:10:36,753 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-07 10:10:36,754 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 10:10:36,765 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 10:10:36,774 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 10:10:36,775 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 10:10:36,837 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 8 for LOIs [2019-11-07 10:10:37,124 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-07 10:10:37,146 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-07 10:10:37,147 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-07 10:10:37,150 INFO L168 Benchmark]: Toolchain (without parser) took 1154.15 ms. Allocated memory was 143.7 MB in the beginning and 200.8 MB in the end (delta: 57.1 MB). Free memory was 101.3 MB in the beginning and 150.9 MB in the end (delta: -49.5 MB). Peak memory consumption was 7.6 MB. Max. memory is 7.1 GB. [2019-11-07 10:10:37,151 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 143.7 MB. Free memory is still 119.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-11-07 10:10:37,152 INFO L168 Benchmark]: CACSL2BoogieTranslator took 316.85 ms. Allocated memory is still 143.7 MB. Free memory was 101.1 MB in the beginning and 91.6 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-11-07 10:10:37,153 INFO L168 Benchmark]: Boogie Preprocessor took 123.78 ms. Allocated memory was 143.7 MB in the beginning and 200.8 MB in the end (delta: 57.1 MB). Free memory was 91.6 MB in the beginning and 179.5 MB in the end (delta: -87.8 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-11-07 10:10:37,154 INFO L168 Benchmark]: RCFGBuilder took 280.54 ms. Allocated memory is still 200.8 MB. Free memory was 179.5 MB in the beginning and 167.3 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. [2019-11-07 10:10:37,155 INFO L168 Benchmark]: Sifa took 426.19 ms. Allocated memory is still 200.8 MB. Free memory was 167.3 MB in the beginning and 150.9 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. [2019-11-07 10:10:37,159 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 143.7 MB. Free memory is still 119.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 316.85 ms. Allocated memory is still 143.7 MB. Free memory was 101.1 MB in the beginning and 91.6 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 123.78 ms. Allocated memory was 143.7 MB in the beginning and 200.8 MB in the end (delta: 57.1 MB). Free memory was 91.6 MB in the beginning and 179.5 MB in the end (delta: -87.8 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 280.54 ms. Allocated memory is still 200.8 MB. Free memory was 179.5 MB in the beginning and 167.3 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. * Sifa took 426.19 ms. Allocated memory is still 200.8 MB. Free memory was 167.3 MB in the beginning and 150.9 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.4 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]: 372, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 0, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 10, TOOLS_POST_TIME[ms]: 34, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 20, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 1, TOOLS_QUANTIFIERELIM_APPLICATIONS: 13, TOOLS_QUANTIFIERELIM_TIME[ms]: 39, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 13, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 21, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 0, DOMAIN_JOIN_TIME[ms]: 0, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 228, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 15, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 275, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 275, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 3, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 13, DAG_COMPRESSION_PROCESSED_NODES: 45, DAG_COMPRESSION_RETAINED_NODES: 26 - UnprovableResult [Line: 43]: 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 (= |old(~__return_65~0)| 0) (<= 0 ~__return_main~0) (= main_~__VERIFIER_assert__cond~0 0) (= main_~__tmp_1~0 main_~__VERIFIER_assert__cond~0) (<= ~__return_main~0 0) (<= 0 (+ main_~main__y~0 1000)) (<= 0 |old(~__return_65~0)|) (= main_~__tmp_1~0 (ite (< 0 main_~main__y~0) 1 0)) (<= ~__return_65~0 0) (<= |old(~__return_65~0)| 0) (= ~__return_main~0 0) (not (< main_~main__x~0 0)) (<= 0 ~__return_65~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...