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/ldv-regression/test30-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 08:58:50,018 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 08:58:50,020 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 08:58:50,032 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 08:58:50,032 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 08:58:50,034 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 08:58:50,035 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 08:58:50,037 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 08:58:50,038 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 08:58:50,039 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 08:58:50,040 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 08:58:50,041 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 08:58:50,042 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 08:58:50,043 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 08:58:50,043 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 08:58:50,045 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 08:58:50,045 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 08:58:50,046 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 08:58:50,048 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 08:58:50,050 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 08:58:50,051 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 08:58:50,053 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 08:58:50,054 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 08:58:50,054 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 08:58:50,057 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-06 08:58:50,063 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 08:58:50,067 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 08:58:50,068 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 08:58:50,069 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 08:58:50,070 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 08:58:50,070 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 08:58:50,071 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 08:58:50,071 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 08:58:50,071 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 08:58:50,072 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 08:58:50,076 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 08:58:50,077 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 08:58:50,103 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 08:58:50,103 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 08:58:50,106 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 08:58:50,106 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 08:58:50,106 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 08:58:50,107 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 08:58:50,107 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 08:58:50,107 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 08:58:50,107 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 08:58:50,108 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 08:58:50,109 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 08:58:50,109 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 08:58:50,110 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 08:58:50,110 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 08:58:50,110 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 08:58:50,110 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 08:58:50,111 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 08:58:50,111 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 08:58:50,111 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 08:58:50,111 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 08:58:50,112 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 08:58:50,112 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 08:58:50,113 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 08:58:50,113 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 08:58:50,113 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 08:58:50,113 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 08:58:50,114 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 08:58:50,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 08:58:50,114 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 08:58:50,171 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 08:58:50,184 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 08:58:50,187 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 08:58:50,189 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 08:58:50,189 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 08:58:50,190 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test30-2.c [2019-09-06 08:58:50,255 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21e89869f/ee6678a75c52490783029252f51aaaf5/FLAGe3b0ba2d2 [2019-09-06 08:58:50,706 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 08:58:50,707 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test30-2.c [2019-09-06 08:58:50,714 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21e89869f/ee6678a75c52490783029252f51aaaf5/FLAGe3b0ba2d2 [2019-09-06 08:58:51,107 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21e89869f/ee6678a75c52490783029252f51aaaf5 [2019-09-06 08:58:51,119 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 08:58:51,120 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 08:58:51,121 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 08:58:51,121 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 08:58:51,125 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 08:58:51,126 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 08:58:51" (1/1) ... [2019-09-06 08:58:51,129 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75a69a20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:58:51, skipping insertion in model container [2019-09-06 08:58:51,129 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 08:58:51" (1/1) ... [2019-09-06 08:58:51,136 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 08:58:51,154 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 08:58:51,330 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 08:58:51,343 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 08:58:51,361 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 08:58:51,470 INFO L192 MainTranslator]: Completed translation [2019-09-06 08:58:51,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:58:51 WrapperNode [2019-09-06 08:58:51,470 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 08:58:51,471 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 08:58:51,471 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 08:58:51,471 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 08:58:51,485 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:58:51" (1/1) ... [2019-09-06 08:58:51,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:58:51" (1/1) ... [2019-09-06 08:58:51,497 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:58:51" (1/1) ... [2019-09-06 08:58:51,499 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:58:51" (1/1) ... [2019-09-06 08:58:51,512 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:58:51" (1/1) ... [2019-09-06 08:58:51,514 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:58:51" (1/1) ... [2019-09-06 08:58:51,517 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:58:51" (1/1) ... [2019-09-06 08:58:51,520 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 08:58:51,520 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 08:58:51,520 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 08:58:51,521 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 08:58:51,521 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:58:51" (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 [2019-09-06 08:58:51,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 08:58:51,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 08:58:51,569 INFO L138 BoogieDeclarations]: Found implementation of procedure assign [2019-09-06 08:58:51,570 INFO L138 BoogieDeclarations]: Found implementation of procedure assign2 [2019-09-06 08:58:51,570 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 08:58:51,570 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 08:58:51,570 INFO L130 BoogieDeclarations]: Found specification of procedure assign [2019-09-06 08:58:51,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-06 08:58:51,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-06 08:58:51,571 INFO L130 BoogieDeclarations]: Found specification of procedure assign2 [2019-09-06 08:58:51,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-06 08:58:51,571 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 08:58:51,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 08:58:51,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-06 08:58:51,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-06 08:58:51,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-06 08:58:51,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 08:58:51,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-06 08:58:51,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-06 08:58:51,851 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 08:58:51,852 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-06 08:58:51,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 08:58:51 BoogieIcfgContainer [2019-09-06 08:58:51,854 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 08:58:51,866 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 08:58:51,867 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 08:58:51,867 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 08:58:51,868 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 08:58:51" (1/1) ... [2019-09-06 08:58:51,869 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 08:58:51,891 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 08:58:51,891 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 08:58:51,899 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 08:58:51,908 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 08:58:51,910 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 08:58:51,993 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 26 for LOIs [2019-09-06 08:58:52,048 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 08:58:52,049 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 08:58:52,052 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 24#(and (<= 0 |~#a~0.offset|) (<= 0 |~#b~0.offset|) (<= |#NULL.base| 0) (<= 0 main_~pd~0.offset) (<= main_~pd~0.offset 0) (<= 0 |#NULL.base|) (<= |~#a~0.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |~#global~0.offset|) (<= |~#b~0.offset| 0) (<= |~#global~0.offset| 0)) [2019-09-06 08:58:52,068 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 08:58:52,068 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 08:58:52,070 INFO L168 Benchmark]: Toolchain (without parser) took 949.34 ms. Allocated memory was 137.4 MB in the beginning and 198.2 MB in the end (delta: 60.8 MB). Free memory was 83.8 MB in the beginning and 148.0 MB in the end (delta: -64.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-06 08:58:52,072 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 137.4 MB. Free memory was 102.1 MB in the beginning and 101.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-06 08:58:52,073 INFO L168 Benchmark]: CACSL2BoogieTranslator took 349.51 ms. Allocated memory was 137.4 MB in the beginning and 198.2 MB in the end (delta: 60.8 MB). Free memory was 83.6 MB in the beginning and 176.1 MB in the end (delta: -92.4 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. [2019-09-06 08:58:52,074 INFO L168 Benchmark]: Boogie Preprocessor took 48.66 ms. Allocated memory is still 198.2 MB. Free memory was 176.1 MB in the beginning and 173.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-09-06 08:58:52,076 INFO L168 Benchmark]: RCFGBuilder took 334.13 ms. Allocated memory is still 198.2 MB. Free memory was 173.7 MB in the beginning and 158.6 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB. [2019-09-06 08:58:52,076 INFO L168 Benchmark]: Sifa took 201.69 ms. Allocated memory is still 198.2 MB. Free memory was 158.6 MB in the beginning and 148.0 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2019-09-06 08:58:52,084 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 137.4 MB. Free memory was 102.1 MB in the beginning and 101.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 349.51 ms. Allocated memory was 137.4 MB in the beginning and 198.2 MB in the end (delta: 60.8 MB). Free memory was 83.6 MB in the beginning and 176.1 MB in the end (delta: -92.4 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 48.66 ms. Allocated memory is still 198.2 MB. Free memory was 176.1 MB in the beginning and 173.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 334.13 ms. Allocated memory is still 198.2 MB. Free memory was 173.7 MB in the beginning and 158.6 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB. * Sifa took 201.69 ms. Allocated memory is still 198.2 MB. Free memory was 158.6 MB in the beginning and 148.0 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 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]: 161, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 15, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 11, TOOLS_POST_TIME[ms]: 17, TOOLS_POST_CALL_APPLICATIONS: 4, TOOLS_POST_CALL_TIME[ms]: 36, TOOLS_POST_RETURN_APPLICATIONS: 3, TOOLS_POST_RETURN_TIME[ms]: 16, TOOLS_QUANTIFIERELIM_TIME[ms]: 48, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 15, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 4, DOMAIN_JOIN_TIME[ms]: 27, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, 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: 3, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 63, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 3, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 2, DAG_COMPRESSION_TIME[ms]: 11, DAG_COMPRESSION_PROCESSED_NODES: 46, DAG_COMPRESSION_RETAINED_NODES: 29 - UnprovableResult [Line: 31]: 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 24#(and (<= 0 |~#a~0.offset|) (<= 0 |~#b~0.offset|) (<= |#NULL.base| 0) (<= 0 main_~pd~0.offset) (<= main_~pd~0.offset 0) (<= 0 |#NULL.base|) (<= |~#a~0.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |~#global~0.offset|) (<= |~#b~0.offset| 0) (<= |~#global~0.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...