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 IntervalDomain -i ../../../trunk/examples/svcomp/float-benchs/interpolation2.c.p+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 08:35:50,692 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 08:35:50,694 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 08:35:50,708 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 08:35:50,709 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 08:35:50,710 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 08:35:50,711 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 08:35:50,713 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 08:35:50,714 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 08:35:50,715 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 08:35:50,716 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 08:35:50,718 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 08:35:50,718 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 08:35:50,719 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 08:35:50,720 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 08:35:50,721 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 08:35:50,722 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 08:35:50,723 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 08:35:50,725 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 08:35:50,727 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 08:35:50,729 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 08:35:50,730 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 08:35:50,731 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 08:35:50,732 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 08:35:50,735 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 08:35:50,735 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 08:35:50,735 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 08:35:50,736 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 08:35:50,737 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 08:35:50,738 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 08:35:50,738 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 08:35:50,739 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 08:35:50,740 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 08:35:50,741 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 08:35:50,745 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 08:35:50,745 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 08:35:50,749 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 08:35:50,749 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 08:35:50,749 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 08:35:50,750 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 08:35:50,752 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 08:35:50,753 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 [2019-09-06 08:35:50,784 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 08:35:50,784 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 08:35:50,787 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 08:35:50,787 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 08:35:50,787 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 08:35:50,787 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 08:35:50,788 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 08:35:50,788 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 08:35:50,788 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 08:35:50,788 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 08:35:50,789 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 08:35:50,790 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 08:35:50,790 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 08:35:50,790 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 08:35:50,790 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 08:35:50,791 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 08:35:50,791 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 08:35:50,791 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 08:35:50,791 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 08:35:50,791 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 08:35:50,792 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 08:35:50,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 08:35:50,792 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 08:35:50,792 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 08:35:50,793 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 08:35:50,793 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 08:35:50,793 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 08:35:50,793 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 08:35:50,794 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2019-09-06 08:35:50,841 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 08:35:50,854 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 08:35:50,858 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 08:35:50,859 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 08:35:50,860 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 08:35:50,861 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/interpolation2.c.p+cfa-reducer.c [2019-09-06 08:35:50,926 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71a1def72/f548447e033544e3b34ba0458ff8bc7f/FLAG08ca2ff6d [2019-09-06 08:35:51,385 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 08:35:51,386 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/interpolation2.c.p+cfa-reducer.c [2019-09-06 08:35:51,395 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71a1def72/f548447e033544e3b34ba0458ff8bc7f/FLAG08ca2ff6d [2019-09-06 08:35:51,758 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71a1def72/f548447e033544e3b34ba0458ff8bc7f [2019-09-06 08:35:51,771 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 08:35:51,772 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 08:35:51,774 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 08:35:51,774 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 08:35:51,777 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 08:35:51,778 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 08:35:51" (1/1) ... [2019-09-06 08:35:51,781 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38a85c55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:35:51, skipping insertion in model container [2019-09-06 08:35:51,781 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 08:35:51" (1/1) ... [2019-09-06 08:35:51,789 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 08:35:51,811 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 08:35:51,998 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 08:35:52,003 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 08:35:52,143 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 08:35:52,163 INFO L192 MainTranslator]: Completed translation [2019-09-06 08:35:52,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:35:52 WrapperNode [2019-09-06 08:35:52,164 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 08:35:52,165 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 08:35:52,165 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 08:35:52,165 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 08:35:52,178 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:35:52" (1/1) ... [2019-09-06 08:35:52,178 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:35:52" (1/1) ... [2019-09-06 08:35:52,187 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:35:52" (1/1) ... [2019-09-06 08:35:52,187 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:35:52" (1/1) ... [2019-09-06 08:35:52,200 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:35:52" (1/1) ... [2019-09-06 08:35:52,203 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:35:52" (1/1) ... [2019-09-06 08:35:52,205 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:35:52" (1/1) ... [2019-09-06 08:35:52,208 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 08:35:52,208 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 08:35:52,209 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 08:35:52,209 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 08:35:52,210 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:35:52" (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 [2019-09-06 08:35:52,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 08:35:52,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 08:35:52,258 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 08:35:52,258 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 08:35:52,258 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-09-06 08:35:52,259 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-06 08:35:52,259 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-06 08:35:52,259 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 08:35:52,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-06 08:35:52,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-09-06 08:35:52,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-09-06 08:35:52,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-06 08:35:52,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 08:35:52,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 08:35:52,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-09-06 08:35:52,516 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 08:35:52,516 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-06 08:35:52,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 08:35:52 BoogieIcfgContainer [2019-09-06 08:35:52,518 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 08:35:52,525 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 08:35:52,526 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 08:35:52,526 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 08:35:52,527 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 08:35:52" (1/1) ... [2019-09-06 08:35:52,528 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-06 08:35:52,585 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 08:35:52,588 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 08:35:52,602 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 08:35:52,624 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 08:35:52,626 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 08:35:52,707 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 17 for LOIs [2019-09-06 08:35:52,916 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 08:35:52,917 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 08:35:52,919 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 56#(and (<= 0 |main_~#main__max~0.offset|) (<= main_~main____CPAchecker_TMP_1~0 0) (<= 0 main_~main____CPAchecker_TMP_1~0) (<= 0 main_~main__i~0) (<= |#NULL.base| 0) (<= 1 main_~main____CPAchecker_TMP_0~0) (<= |main_~#main__org~0.offset| 0) (<= |main_~#main__max~0.offset| 0) (<= 0 |main_~#main__org~0.offset|) (<= main_~__VERIFIER_assert__cond~0 0) (<= 0 |#NULL.base|) (<= 0 ~__return_main~0) (<= main_~main____CPAchecker_TMP_0~0 1) (<= ~__return_main~0 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |main_~#main__slope~0.offset|) (<= |main_~#main__min~0.offset| 0) (<= 0 main_~__VERIFIER_assert__cond~0) (<= 0 |main_~#main__min~0.offset|) (<= main_~__tmp_1~0 0) (<= |main_~#main__slope~0.offset| 0) (<= 0 main_~__tmp_1~0)) [2019-09-06 08:35:52,932 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 08:35:52,933 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 08:35:52,935 INFO L168 Benchmark]: Toolchain (without parser) took 1162.19 ms. Allocated memory was 138.4 MB in the beginning and 198.2 MB in the end (delta: 59.8 MB). Free memory was 85.4 MB in the beginning and 139.9 MB in the end (delta: -54.4 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. [2019-09-06 08:35:52,937 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 138.4 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-06 08:35:52,939 INFO L168 Benchmark]: CACSL2BoogieTranslator took 390.86 ms. Allocated memory was 138.4 MB in the beginning and 198.2 MB in the end (delta: 59.8 MB). Free memory was 85.0 MB in the beginning and 174.5 MB in the end (delta: -89.5 MB). Peak memory consumption was 19.6 MB. Max. memory is 7.1 GB. [2019-09-06 08:35:52,940 INFO L168 Benchmark]: Boogie Preprocessor took 43.26 ms. Allocated memory is still 198.2 MB. Free memory was 174.5 MB in the beginning and 172.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-09-06 08:35:52,941 INFO L168 Benchmark]: RCFGBuilder took 309.36 ms. Allocated memory is still 198.2 MB. Free memory was 172.7 MB in the beginning and 155.8 MB in the end (delta: 16.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 7.1 GB. [2019-09-06 08:35:52,942 INFO L168 Benchmark]: Sifa took 407.64 ms. Allocated memory is still 198.2 MB. Free memory was 155.8 MB in the beginning and 139.9 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. [2019-09-06 08:35:52,950 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 138.4 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 390.86 ms. Allocated memory was 138.4 MB in the beginning and 198.2 MB in the end (delta: 59.8 MB). Free memory was 85.0 MB in the beginning and 174.5 MB in the end (delta: -89.5 MB). Peak memory consumption was 19.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.26 ms. Allocated memory is still 198.2 MB. Free memory was 174.5 MB in the beginning and 172.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 309.36 ms. Allocated memory is still 198.2 MB. Free memory was 172.7 MB in the beginning and 155.8 MB in the end (delta: 16.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 7.1 GB. * Sifa took 407.64 ms. Allocated memory is still 198.2 MB. Free memory was 155.8 MB in the beginning and 139.9 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 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]: 334, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 42, DAG_INTERPRETER_EARLY_EXITS: 2, TOOLS_POST_APPLICATIONS: 37, TOOLS_POST_TIME[ms]: 44, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 19, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 2, TOOLS_QUANTIFIERELIM_TIME[ms]: 46, FLUID_QUERY_TIME[ms]: 7, FLUID_QUERIES: 45, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 13, DOMAIN_JOIN_TIME[ms]: 69, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 7, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 8, DOMAIN_ISBOTTOM_APPLICATIONS: 12, DOMAIN_ISBOTTOM_TIME[ms]: 52, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 46, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 45, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 26, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 37, DAG_COMPRESSION_PROCESSED_NODES: 273, DAG_COMPRESSION_RETAINED_NODES: 85 - UnprovableResult [Line: 48]: 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 56#(and (<= 0 |main_~#main__max~0.offset|) (<= main_~main____CPAchecker_TMP_1~0 0) (<= 0 main_~main____CPAchecker_TMP_1~0) (<= 0 main_~main__i~0) (<= |#NULL.base| 0) (<= 1 main_~main____CPAchecker_TMP_0~0) (<= |main_~#main__org~0.offset| 0) (<= |main_~#main__max~0.offset| 0) (<= 0 |main_~#main__org~0.offset|) (<= main_~__VERIFIER_assert__cond~0 0) (<= 0 |#NULL.base|) (<= 0 ~__return_main~0) (<= main_~main____CPAchecker_TMP_0~0 1) (<= ~__return_main~0 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |main_~#main__slope~0.offset|) (<= |main_~#main__min~0.offset| 0) (<= 0 main_~__VERIFIER_assert__cond~0) (<= 0 |main_~#main__min~0.offset|) (<= main_~__tmp_1~0 0) (<= |main_~#main__slope~0.offset| 0) (<= 0 main_~__tmp_1~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...