/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/nla-digbench/geo2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 16:44:44,749 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 16:44:44,753 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 16:44:44,782 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 16:44:44,783 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 16:44:44,786 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 16:44:44,789 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 16:44:44,802 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 16:44:44,808 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 16:44:44,812 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 16:44:44,815 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 16:44:44,819 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 16:44:44,820 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 16:44:44,823 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 16:44:44,827 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 16:44:44,830 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 16:44:44,832 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 16:44:44,834 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 16:44:44,836 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 16:44:44,843 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 16:44:44,850 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 16:44:44,857 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 16:44:44,859 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 16:44:44,860 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 16:44:44,864 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 16:44:44,872 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 16:44:44,875 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 16:44:44,877 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 16:44:44,878 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 16:44:44,880 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 16:44:44,881 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 16:44:44,882 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 16:44:44,883 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 16:44:44,883 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 16:44:44,884 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 16:44:44,886 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 16:44:44,888 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 16:44:44,923 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 16:44:44,924 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 16:44:44,925 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 16:44:44,925 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 16:44:44,925 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 16:44:44,926 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 16:44:44,926 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 16:44:44,926 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 16:44:44,926 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 16:44:44,926 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 16:44:44,927 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 16:44:44,927 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 16:44:44,927 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 16:44:44,927 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 16:44:44,928 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 16:44:44,929 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 16:44:44,929 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 16:44:44,929 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 16:44:44,929 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 16:44:44,930 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 16:44:44,930 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 16:44:44,930 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 16:44:44,930 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 16:44:44,931 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 16:44:44,931 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 16:44:44,931 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 16:44:44,931 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 16:44:44,932 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 16:44:44,932 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 16:44:44,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 16:44:44,932 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 16:44:44,933 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 16:44:44,933 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 16:44:44,933 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 16:44:44,933 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 16:44:44,933 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 16:44:44,934 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 16:44:44,934 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 16:44:45,412 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 16:44:45,445 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 16:44:45,454 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 16:44:45,457 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 16:44:45,457 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 16:44:45,458 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/geo2.c [2019-11-24 16:44:45,553 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f28bcbf92/94211fcbd40b419e87e894bb952aca46/FLAGeac200746 [2019-11-24 16:44:46,191 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 16:44:46,192 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/geo2.c [2019-11-24 16:44:46,204 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f28bcbf92/94211fcbd40b419e87e894bb952aca46/FLAGeac200746 [2019-11-24 16:44:46,453 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f28bcbf92/94211fcbd40b419e87e894bb952aca46 [2019-11-24 16:44:46,466 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 16:44:46,468 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 16:44:46,470 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 16:44:46,470 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 16:44:46,475 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 16:44:46,477 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:44:46" (1/1) ... [2019-11-24 16:44:46,483 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7190270 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:44:46, skipping insertion in model container [2019-11-24 16:44:46,483 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:44:46" (1/1) ... [2019-11-24 16:44:46,496 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 16:44:46,528 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 16:44:46,747 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:44:46,754 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 16:44:46,773 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:44:46,791 INFO L208 MainTranslator]: Completed translation [2019-11-24 16:44:46,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:44:46 WrapperNode [2019-11-24 16:44:46,792 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 16:44:46,794 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 16:44:46,794 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 16:44:46,794 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 16:44:46,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:44:46" (1/1) ... [2019-11-24 16:44:46,812 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:44:46" (1/1) ... [2019-11-24 16:44:46,836 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 16:44:46,837 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 16:44:46,837 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 16:44:46,837 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 16:44:46,963 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:44:46" (1/1) ... [2019-11-24 16:44:46,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:44:46" (1/1) ... [2019-11-24 16:44:46,965 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:44:46" (1/1) ... [2019-11-24 16:44:46,965 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:44:46" (1/1) ... [2019-11-24 16:44:46,969 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:44:46" (1/1) ... [2019-11-24 16:44:46,977 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:44:46" (1/1) ... [2019-11-24 16:44:46,979 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:44:46" (1/1) ... [2019-11-24 16:44:46,981 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 16:44:46,982 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 16:44:46,983 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 16:44:46,983 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 16:44:46,984 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:44:46" (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 16:44:47,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 16:44:47,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 16:44:47,346 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 16:44:47,347 INFO L284 CfgBuilder]: Removed 9 assume(true) statements. [2019-11-24 16:44:47,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:44:47 BoogieIcfgContainer [2019-11-24 16:44:47,350 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 16:44:47,350 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 16:44:47,350 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 16:44:47,351 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 16:44:47,353 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:44:47" (1/1) ... [2019-11-24 16:44:47,354 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 16:44:47,385 INFO L159 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-11-24 16:44:47,385 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 16:44:47,397 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 16:44:47,409 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 16:44:47,412 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 16:44:47,699 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2019-11-24 16:44:54,764 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 16:44:54,799 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-24 16:44:54,800 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-24 16:44:54,805 INFO L168 Benchmark]: Toolchain (without parser) took 8334.69 ms. Allocated memory was 137.9 MB in the beginning and 202.9 MB in the end (delta: 65.0 MB). Free memory was 102.7 MB in the beginning and 100.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 67.3 MB. Max. memory is 7.1 GB. [2019-11-24 16:44:54,806 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 137.9 MB. Free memory is still 120.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-11-24 16:44:54,810 INFO L168 Benchmark]: CACSL2BoogieTranslator took 323.16 ms. Allocated memory is still 137.9 MB. Free memory was 102.3 MB in the beginning and 92.6 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-11-24 16:44:54,812 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.69 ms. Allocated memory is still 137.9 MB. Free memory was 92.6 MB in the beginning and 90.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-11-24 16:44:54,815 INFO L168 Benchmark]: Boogie Preprocessor took 145.08 ms. Allocated memory was 137.9 MB in the beginning and 202.9 MB in the end (delta: 65.0 MB). Free memory was 90.9 MB in the beginning and 181.4 MB in the end (delta: -90.5 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. [2019-11-24 16:44:54,816 INFO L168 Benchmark]: RCFGBuilder took 367.44 ms. Allocated memory is still 202.9 MB. Free memory was 180.4 MB in the beginning and 168.7 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. [2019-11-24 16:44:54,820 INFO L168 Benchmark]: Sifa took 7449.76 ms. Allocated memory is still 202.9 MB. Free memory was 168.7 MB in the beginning and 100.5 MB in the end (delta: 68.2 MB). Peak memory consumption was 68.2 MB. Max. memory is 7.1 GB. [2019-11-24 16:44:54,825 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 137.9 MB. Free memory is still 120.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 323.16 ms. Allocated memory is still 137.9 MB. Free memory was 102.3 MB in the beginning and 92.6 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 42.69 ms. Allocated memory is still 137.9 MB. Free memory was 92.6 MB in the beginning and 90.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 145.08 ms. Allocated memory was 137.9 MB in the beginning and 202.9 MB in the end (delta: 65.0 MB). Free memory was 90.9 MB in the beginning and 181.4 MB in the end (delta: -90.5 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 367.44 ms. Allocated memory is still 202.9 MB. Free memory was 180.4 MB in the beginning and 168.7 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. * Sifa took 7449.76 ms. Allocated memory is still 202.9 MB. Free memory was 168.7 MB in the beginning and 100.5 MB in the end (delta: 68.2 MB). Peak memory consumption was 68.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 7384, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 9, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 33, TOOLS_POST_TIME[ms]: 224, 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: 33, TOOLS_QUANTIFIERELIM_TIME[ms]: 190, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 43, FLUID_QUERY_TIME[ms]: 8, FLUID_QUERIES: 44, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 6, DOMAIN_JOIN_TIME[ms]: 379, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 326, DOMAIN_ISSUBSETEQ_APPLICATIONS: 4, DOMAIN_ISSUBSETEQ_TIME[ms]: 6187, DOMAIN_ISBOTTOM_APPLICATIONS: 9, DOMAIN_ISBOTTOM_TIME[ms]: 169, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 7175, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 7173, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, 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]: 4, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 15, DAG_COMPRESSION_PROCESSED_NODES: 75, DAG_COMPRESSION_RETAINED_NODES: 28 - UnprovableResult [Line: 12]: 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 112#(and (= (ite (= 0 (+ (* (* ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~y~0) (- 1)) (* ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~z~0) (* ULTIMATE.start_main_~x~0 (- 1)) 1)) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond|) (= |ULTIMATE.start___VERIFIER_assert_#in~cond| ULTIMATE.start___VERIFIER_assert_~cond) (not (< ULTIMATE.start_main_~c~0 ULTIMATE.start_main_~k~0)) (= 0 ULTIMATE.start___VERIFIER_assert_~cond)). Possible FailurePath: - UnprovableResult [Line: 12]: 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 105#(and (= (ite (= 0 (+ (* (* ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~y~0) (- 1)) (* ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~z~0) (* ULTIMATE.start_main_~x~0 (- 1)) 1)) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond|) (= |ULTIMATE.start___VERIFIER_assert_#in~cond| ULTIMATE.start___VERIFIER_assert_~cond) (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (exists ((v_ULTIMATE.start_main_~y~0_14 Int) (v_ULTIMATE.start_main_~x~0_14 Int)) (and (< ULTIMATE.start_main_~c~0 (+ ULTIMATE.start_main_~k~0 1)) (= ULTIMATE.start_main_~y~0 (* v_ULTIMATE.start_main_~y~0_14 ULTIMATE.start_main_~z~0)) (= ULTIMATE.start_main_~x~0 (+ (* v_ULTIMATE.start_main_~x~0_14 ULTIMATE.start_main_~z~0) 1))))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...