/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/ldv-regression/nested_structure_ptr-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 16:02:47,748 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 16:02:47,752 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 16:02:47,770 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 16:02:47,770 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 16:02:47,772 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 16:02:47,774 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 16:02:47,778 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 16:02:47,782 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 16:02:47,783 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 16:02:47,785 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 16:02:47,786 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 16:02:47,786 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 16:02:47,788 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 16:02:47,789 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 16:02:47,790 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 16:02:47,790 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 16:02:47,791 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 16:02:47,793 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 16:02:47,795 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 16:02:47,796 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 16:02:47,797 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 16:02:47,798 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 16:02:47,799 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 16:02:47,801 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 16:02:47,803 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 16:02:47,804 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 16:02:47,805 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 16:02:47,805 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 16:02:47,806 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 16:02:47,807 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 16:02:47,807 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 16:02:47,807 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 16:02:47,808 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 16:02:47,809 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 16:02:47,809 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 16:02:47,810 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 16:02:47,824 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 16:02:47,824 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 16:02:47,825 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 16:02:47,825 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 16:02:47,826 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 16:02:47,826 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 16:02:47,826 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 16:02:47,826 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 16:02:47,826 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 16:02:47,826 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 16:02:47,827 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 16:02:47,827 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 16:02:47,827 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 16:02:47,827 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 16:02:47,827 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 16:02:47,828 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 16:02:47,828 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 16:02:47,828 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 16:02:47,829 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 16:02:47,829 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 16:02:47,829 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 16:02:47,829 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 16:02:47,829 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 16:02:47,830 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 16:02:47,830 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 16:02:47,830 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 16:02:47,830 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 16:02:47,830 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 16:02:47,831 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 16:02:47,831 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 16:02:47,831 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 16:02:47,831 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 16:02:47,831 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 16:02:47,832 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 16:02:47,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 16:02:47,832 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 16:02:47,832 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 16:02:47,832 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 16:02:48,126 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 16:02:48,146 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 16:02:48,149 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 16:02:48,151 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 16:02:48,152 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 16:02:48,153 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/nested_structure_ptr-1.i [2019-11-24 16:02:48,228 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c64fb24a/7eb53b526d8843489307ad415ca2dd9f/FLAG0c85d068a [2019-11-24 16:02:48,656 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 16:02:48,657 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/nested_structure_ptr-1.i [2019-11-24 16:02:48,663 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c64fb24a/7eb53b526d8843489307ad415ca2dd9f/FLAG0c85d068a [2019-11-24 16:02:49,057 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c64fb24a/7eb53b526d8843489307ad415ca2dd9f [2019-11-24 16:02:49,065 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 16:02:49,067 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 16:02:49,068 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 16:02:49,068 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 16:02:49,071 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 16:02:49,072 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:02:49" (1/1) ... [2019-11-24 16:02:49,075 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2db4663a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:02:49, skipping insertion in model container [2019-11-24 16:02:49,075 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:02:49" (1/1) ... [2019-11-24 16:02:49,083 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 16:02:49,099 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 16:02:49,299 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:02:49,312 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 16:02:49,327 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:02:49,342 INFO L208 MainTranslator]: Completed translation [2019-11-24 16:02:49,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:02:49 WrapperNode [2019-11-24 16:02:49,342 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 16:02:49,343 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 16:02:49,343 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 16:02:49,343 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 16:02:49,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:02:49" (1/1) ... [2019-11-24 16:02:49,441 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:02:49" (1/1) ... [2019-11-24 16:02:49,459 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 16:02:49,460 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 16:02:49,460 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 16:02:49,460 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 16:02:49,468 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:02:49" (1/1) ... [2019-11-24 16:02:49,468 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:02:49" (1/1) ... [2019-11-24 16:02:49,470 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:02:49" (1/1) ... [2019-11-24 16:02:49,470 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:02:49" (1/1) ... [2019-11-24 16:02:49,477 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:02:49" (1/1) ... [2019-11-24 16:02:49,479 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:02:49" (1/1) ... [2019-11-24 16:02:49,480 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:02:49" (1/1) ... [2019-11-24 16:02:49,483 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 16:02:49,483 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 16:02:49,483 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 16:02:49,484 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 16:02:49,485 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:02:49" (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 16:02:49,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 16:02:49,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-24 16:02:49,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-24 16:02:49,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 16:02:49,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 16:02:49,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-24 16:02:49,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-24 16:02:49,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 16:02:49,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-24 16:02:49,852 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 16:02:49,852 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-24 16:02:49,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:02:49 BoogieIcfgContainer [2019-11-24 16:02:49,853 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 16:02:49,854 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 16:02:49,854 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 16:02:49,854 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 16:02:49,855 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:02:49" (1/1) ... [2019-11-24 16:02:49,856 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 16:02:49,885 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 16:02:49,885 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 16:02:49,892 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 16:02:49,900 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 16:02:49,902 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 16:02:50,180 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-11-24 16:02:50,554 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-11-24 16:02:50,705 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2019-11-24 16:02:50,806 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2019-11-24 16:02:50,972 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 16:02:50,992 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-24 16:02:50,992 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-24 16:02:50,995 INFO L168 Benchmark]: Toolchain (without parser) took 1927.14 ms. Allocated memory was 145.2 MB in the beginning and 235.4 MB in the end (delta: 90.2 MB). Free memory was 103.1 MB in the beginning and 205.4 MB in the end (delta: -102.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-11-24 16:02:50,997 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 145.2 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-24 16:02:50,999 INFO L168 Benchmark]: CACSL2BoogieTranslator took 274.79 ms. Allocated memory is still 145.2 MB. Free memory was 102.9 MB in the beginning and 92.8 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-11-24 16:02:51,000 INFO L168 Benchmark]: Boogie Procedure Inliner took 116.43 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 92.8 MB in the beginning and 180.4 MB in the end (delta: -87.6 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-11-24 16:02:51,005 INFO L168 Benchmark]: Boogie Preprocessor took 23.38 ms. Allocated memory is still 202.4 MB. Free memory was 180.4 MB in the beginning and 179.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-11-24 16:02:51,006 INFO L168 Benchmark]: RCFGBuilder took 370.21 ms. Allocated memory is still 202.4 MB. Free memory was 179.0 MB in the beginning and 161.7 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 7.1 GB. [2019-11-24 16:02:51,007 INFO L168 Benchmark]: Sifa took 1138.34 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 161.7 MB in the beginning and 205.4 MB in the end (delta: -43.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-11-24 16:02:51,020 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 145.2 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 274.79 ms. Allocated memory is still 145.2 MB. Free memory was 102.9 MB in the beginning and 92.8 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 116.43 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 92.8 MB in the beginning and 180.4 MB in the end (delta: -87.6 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 23.38 ms. Allocated memory is still 202.4 MB. Free memory was 180.4 MB in the beginning and 179.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 370.21 ms. Allocated memory is still 202.4 MB. Free memory was 179.0 MB in the beginning and 161.7 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 7.1 GB. * Sifa took 1138.34 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 161.7 MB in the beginning and 205.4 MB in the end (delta: -43.7 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 1088, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 0, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 3, TOOLS_POST_TIME[ms]: 762, 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: 3, TOOLS_QUANTIFIERELIM_TIME[ms]: 757, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 757, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 4, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 0, DOMAIN_JOIN_TIME[ms]: 0, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 268, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 0, DOMAIN_ISSUBSETEQ_TIME[ms]: 0, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 0, LOOP_SUMMARIZER_CACHE_MISSES: 0, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 0, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 0, 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]: 3, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 6, DAG_COMPRESSION_PROCESSED_NODES: 13, DAG_COMPRESSION_RETAINED_NODES: 9 - UnprovableResult [Line: 10]: 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 76#(and (<= |#NULL.base| 0) (<= 0 |ULTIMATE.start_main_~#im~0.base|) (<= 0 |#NULL.base|) (<= |ULTIMATE.start_main_~#im~0.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 ULTIMATE.start_main_~ptr~0.base) (<= 0 |ULTIMATE.start_main_~#inner~0.offset|) (<= |ULTIMATE.start_main_~#inner~0.offset| 0) (<= 0 |ULTIMATE.start_main_~#good~0.base|) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~#good~0.offset| 0) (<= ULTIMATE.start_main_~ptr~0.offset 0) (<= 0 |ULTIMATE.start_main_~#good~0.offset|) (<= 0 ULTIMATE.start_main_~ptr~0.offset) (<= 0 |ULTIMATE.start_main_~#inner~0.base|) (<= 0 |ULTIMATE.start_main_~#im~0.offset|) (not (= 4 |ULTIMATE.start_main_#t~mem4|))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...