/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/SifaCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/loops/terminator_03-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 16:41:49,788 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 16:41:49,791 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 16:41:49,803 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 16:41:49,803 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 16:41:49,804 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 16:41:49,805 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 16:41:49,807 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 16:41:49,809 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 16:41:49,810 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 16:41:49,811 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 16:41:49,812 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 16:41:49,812 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 16:41:49,813 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 16:41:49,814 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 16:41:49,815 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 16:41:49,816 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 16:41:49,816 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 16:41:49,818 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 16:41:49,820 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 16:41:49,822 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 16:41:49,825 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 16:41:49,827 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 16:41:49,828 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 16:41:49,830 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 16:41:49,836 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 16:41:49,838 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 16:41:49,839 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 16:41:49,839 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 16:41:49,844 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 16:41:49,844 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 16:41:49,845 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 16:41:49,845 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 16:41:49,845 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 16:41:49,847 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 16:41:49,848 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 16:41:49,849 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-24 16:41:49,870 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 16:41:49,870 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 16:41:49,871 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 16:41:49,872 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 16:41:49,872 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 16:41:49,872 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 16:41:49,872 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 16:41:49,872 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 16:41:49,873 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 16:41:49,873 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 16:41:49,874 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 16:41:49,874 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 16:41:49,874 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 16:41:49,875 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 16:41:49,875 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 16:41:49,877 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 16:41:49,877 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 16:41:49,877 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 16:41:49,878 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 16:41:49,878 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 16:41:49,878 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 16:41:49,878 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 16:41:49,878 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 16:41:49,879 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 16:41:49,879 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 16:41:49,879 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 16:41:49,879 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 16:41:49,879 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 16:41:49,880 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 16:41:49,880 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 16:41:49,881 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 16:41:49,881 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 16:41:49,881 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 16:41:49,881 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 16:41:49,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 16:41:49,882 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 16:41:49,882 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 16:41:49,882 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 16:41:50,144 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 16:41:50,159 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 16:41:50,163 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 16:41:50,164 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 16:41:50,164 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 16:41:50,165 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/terminator_03-1.c [2019-11-24 16:41:50,234 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89cf7a722/ea0febdc2c6344199579a3f74b6604f5/FLAG55c6f8839 [2019-11-24 16:41:50,675 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 16:41:50,676 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/terminator_03-1.c [2019-11-24 16:41:50,683 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89cf7a722/ea0febdc2c6344199579a3f74b6604f5/FLAG55c6f8839 [2019-11-24 16:41:51,051 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89cf7a722/ea0febdc2c6344199579a3f74b6604f5 [2019-11-24 16:41:51,059 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 16:41:51,060 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 16:41:51,061 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 16:41:51,061 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 16:41:51,065 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 16:41:51,066 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:41:51" (1/1) ... [2019-11-24 16:41:51,068 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f31398e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:41:51, skipping insertion in model container [2019-11-24 16:41:51,069 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:41:51" (1/1) ... [2019-11-24 16:41:51,076 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 16:41:51,096 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 16:41:51,254 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:41:51,258 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 16:41:51,273 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:41:51,288 INFO L208 MainTranslator]: Completed translation [2019-11-24 16:41:51,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:41:51 WrapperNode [2019-11-24 16:41:51,288 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 16:41:51,289 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 16:41:51,289 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 16:41:51,289 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 16:41:51,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:41:51" (1/1) ... [2019-11-24 16:41:51,302 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:41:51" (1/1) ... [2019-11-24 16:41:51,316 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 16:41:51,316 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 16:41:51,317 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 16:41:51,317 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 16:41:51,403 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:41:51" (1/1) ... [2019-11-24 16:41:51,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:41:51" (1/1) ... [2019-11-24 16:41:51,404 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:41:51" (1/1) ... [2019-11-24 16:41:51,404 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:41:51" (1/1) ... [2019-11-24 16:41:51,406 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:41:51" (1/1) ... [2019-11-24 16:41:51,409 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:41:51" (1/1) ... [2019-11-24 16:41:51,410 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:41:51" (1/1) ... [2019-11-24 16:41:51,411 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 16:41:51,411 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 16:41:51,412 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 16:41:51,412 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 16:41:51,412 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:41:51" (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 [2019-11-24 16:41:51,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 16:41:51,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 16:41:51,676 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 16:41:51,676 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-24 16:41:51,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:41:51 BoogieIcfgContainer [2019-11-24 16:41:51,678 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 16:41:51,679 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 16:41:51,679 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 16:41:51,680 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 16:41:51,681 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:41:51" (1/1) ... [2019-11-24 16:41:51,682 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 [2019-11-24 16:41:51,713 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 16:41:51,714 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 16:41:51,722 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 16:41:51,730 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 16:41:51,731 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 16:41:51,988 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 16:41:52,003 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-24 16:41:52,004 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-24 16:41:52,006 INFO L168 Benchmark]: Toolchain (without parser) took 945.10 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 102.9 MB in the beginning and 157.0 MB in the end (delta: -54.1 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. [2019-11-24 16:41:52,007 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 138.9 MB. Free memory is still 120.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-11-24 16:41:52,008 INFO L168 Benchmark]: CACSL2BoogieTranslator took 227.42 ms. Allocated memory is still 138.9 MB. Free memory was 102.5 MB in the beginning and 93.2 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-11-24 16:41:52,008 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.28 ms. Allocated memory is still 138.9 MB. Free memory was 93.2 MB in the beginning and 91.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2019-11-24 16:41:52,010 INFO L168 Benchmark]: Boogie Preprocessor took 94.58 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 91.8 MB in the beginning and 180.4 MB in the end (delta: -88.6 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. [2019-11-24 16:41:52,010 INFO L168 Benchmark]: RCFGBuilder took 267.13 ms. Allocated memory is still 201.9 MB. Free memory was 180.4 MB in the beginning and 169.4 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. [2019-11-24 16:41:52,011 INFO L168 Benchmark]: Sifa took 324.83 ms. Allocated memory is still 201.9 MB. Free memory was 168.8 MB in the beginning and 157.0 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. [2019-11-24 16:41:52,016 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 138.9 MB. Free memory is still 120.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 227.42 ms. Allocated memory is still 138.9 MB. Free memory was 102.5 MB in the beginning and 93.2 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 27.28 ms. Allocated memory is still 138.9 MB. Free memory was 93.2 MB in the beginning and 91.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 94.58 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 91.8 MB in the beginning and 180.4 MB in the end (delta: -88.6 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 267.13 ms. Allocated memory is still 201.9 MB. Free memory was 180.4 MB in the beginning and 169.4 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. * Sifa took 324.83 ms. Allocated memory is still 201.9 MB. Free memory was 168.8 MB in the beginning and 157.0 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 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]: 276, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 1, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 9, TOOLS_POST_TIME[ms]: 32, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME[ms]: 0, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 9, TOOLS_QUANTIFIERELIM_TIME[ms]: 26, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 16, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 15, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 1, DOMAIN_JOIN_TIME[ms]: 91, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 85, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 8, DOMAIN_ISBOTTOM_APPLICATIONS: 1, DOMAIN_ISBOTTOM_TIME[ms]: 3, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 107, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 107, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 2, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 10, DAG_COMPRESSION_PROCESSED_NODES: 33, DAG_COMPRESSION_RETAINED_NODES: 16 - 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 17#(and (= |ULTIMATE.start___VERIFIER_assert_#in~cond| ULTIMATE.start___VERIFIER_assert_~cond) (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (or (and (or (and (<= ULTIMATE.start_main_~y~0 (+ ULTIMATE.start_main_~x~0 2147483648)) (<= ULTIMATE.start_main_~x~0 (+ ULTIMATE.start_main_~y~0 2147483647)) (<= 0 (+ ULTIMATE.start_main_~y~0 2147483648)) (< 0 ULTIMATE.start_main_~y~0) (< ULTIMATE.start_main_~x~0 (+ ULTIMATE.start_main_~y~0 100))) (and (<= ULTIMATE.start_main_~x~0 2147483647) (<= 0 (+ ULTIMATE.start_main_~y~0 2147483648)))) (<= 0 (+ ULTIMATE.start_main_~x~0 2147483648)) (not (< ULTIMATE.start_main_~x~0 100)) (<= ULTIMATE.start_main_~y~0 2147483647) (<= 0 ULTIMATE.start_main_~y~0)) (and (<= ULTIMATE.start_main_~x~0 2147483647) (<= 0 (+ ULTIMATE.start_main_~x~0 2147483648)) (<= 0 (+ ULTIMATE.start_main_~y~0 2147483648)) (not (< 0 ULTIMATE.start_main_~y~0)) (<= ULTIMATE.start_main_~y~0 2147483647))) (= (ite (or (<= ULTIMATE.start_main_~y~0 0) (and (<= 100 ULTIMATE.start_main_~x~0) (< ULTIMATE.start_main_~y~0 0))) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...