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/test21-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 08:58:26,871 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 08:58:26,873 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 08:58:26,885 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 08:58:26,885 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 08:58:26,886 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 08:58:26,887 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 08:58:26,894 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 08:58:26,900 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 08:58:26,905 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 08:58:26,905 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 08:58:26,908 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 08:58:26,908 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 08:58:26,909 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 08:58:26,912 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 08:58:26,913 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 08:58:26,914 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 08:58:26,917 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 08:58:26,919 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 08:58:26,925 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 08:58:26,926 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 08:58:26,928 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 08:58:26,929 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 08:58:26,931 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 08:58:26,933 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-06 08:58:26,935 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 08:58:26,936 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 08:58:26,937 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 08:58:26,937 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 08:58:26,938 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 08:58:26,938 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 08:58:26,939 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 08:58:26,939 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 08:58:26,939 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 08:58:26,940 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 08:58:26,941 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 08:58:26,942 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 08:58:26,956 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 08:58:26,956 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 08:58:26,957 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 08:58:26,957 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 08:58:26,958 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 08:58:26,958 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 08:58:26,958 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 08:58:26,958 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 08:58:26,958 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 08:58:26,959 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 08:58:26,959 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 08:58:26,959 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 08:58:26,959 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 08:58:26,959 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 08:58:26,960 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 08:58:26,960 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 08:58:26,960 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 08:58:26,960 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 08:58:26,960 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 08:58:26,961 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 08:58:26,961 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 08:58:26,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 08:58:26,961 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 08:58:26,961 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 08:58:26,962 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 08:58:26,962 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 08:58:26,962 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 08:58:26,962 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 08:58:26,962 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 08:58:26,990 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 08:58:27,003 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 08:58:27,007 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 08:58:27,009 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 08:58:27,009 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 08:58:27,010 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test21-1.c [2019-09-06 08:58:27,084 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ce1137b5/8ca0e843c2cd4d85b53e73b90745cd69/FLAG9722f9dbd [2019-09-06 08:58:27,550 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 08:58:27,551 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test21-1.c [2019-09-06 08:58:27,557 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ce1137b5/8ca0e843c2cd4d85b53e73b90745cd69/FLAG9722f9dbd [2019-09-06 08:58:27,925 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ce1137b5/8ca0e843c2cd4d85b53e73b90745cd69 [2019-09-06 08:58:27,939 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 08:58:27,941 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 08:58:27,941 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 08:58:27,942 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 08:58:27,945 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 08:58:27,945 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 08:58:27" (1/1) ... [2019-09-06 08:58:27,948 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f543b62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:58:27, skipping insertion in model container [2019-09-06 08:58:27,948 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 08:58:27" (1/1) ... [2019-09-06 08:58:27,954 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 08:58:27,970 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 08:58:28,196 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 08:58:28,208 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 08:58:28,227 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 08:58:28,249 INFO L192 MainTranslator]: Completed translation [2019-09-06 08:58:28,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:58:28 WrapperNode [2019-09-06 08:58:28,250 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 08:58:28,251 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 08:58:28,251 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 08:58:28,252 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 08:58:28,356 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:58:28" (1/1) ... [2019-09-06 08:58:28,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:58:28" (1/1) ... [2019-09-06 08:58:28,368 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:58:28" (1/1) ... [2019-09-06 08:58:28,371 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:58:28" (1/1) ... [2019-09-06 08:58:28,390 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:58:28" (1/1) ... [2019-09-06 08:58:28,392 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:58:28" (1/1) ... [2019-09-06 08:58:28,399 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:58:28" (1/1) ... [2019-09-06 08:58:28,407 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 08:58:28,410 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 08:58:28,410 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 08:58:28,410 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 08:58:28,411 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:58:28" (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 08:58:28,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 08:58:28,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 08:58:28,472 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-09-06 08:58:28,472 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2019-09-06 08:58:28,472 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-06 08:58:28,472 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 08:58:28,472 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 08:58:28,472 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-06 08:58:28,472 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-06 08:58:28,472 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-06 08:58:28,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-06 08:58:28,473 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2019-09-06 08:58:28,473 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-06 08:58:28,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-06 08:58:28,473 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 08:58:28,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 08:58:28,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-06 08:58:28,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-06 08:58:28,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 08:58:28,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-06 08:58:28,698 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 08:58:28,699 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-06 08:58:28,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 08:58:28 BoogieIcfgContainer [2019-09-06 08:58:28,700 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 08:58:28,701 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 08:58:28,701 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 08:58:28,701 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 08:58:28,702 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 08:58:28" (1/1) ... [2019-09-06 08:58:28,703 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 08:58:28,734 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 08:58:28,735 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 08:58:28,750 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 08:58:28,772 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 08:58:28,774 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 08:58:28,879 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 17 for LOIs [2019-09-06 08:58:28,976 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 08:58:28,976 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 08:58:28,978 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 36#(and (<= main_~pd2~0.offset 0) (<= 0 |~#d1~0.offset|) (<= 0 main_~pd1~0.offset) (<= |#NULL.base| 0) (<= |~#d1~0.offset| 0) (<= main_~pd1~0.offset 0) (<= 0 |~#d2~0.offset|) (<= 0 |#NULL.base|) (<= |~#d2~0.offset| 0) (<= 0 main_~pd2~0.offset) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-09-06 08:58:28,995 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 08:58:28,996 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 08:58:28,999 INFO L168 Benchmark]: Toolchain (without parser) took 1056.98 ms. Allocated memory was 139.5 MB in the beginning and 199.2 MB in the end (delta: 59.8 MB). Free memory was 87.3 MB in the beginning and 148.8 MB in the end (delta: -61.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-06 08:58:29,000 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-06 08:58:29,001 INFO L168 Benchmark]: CACSL2BoogieTranslator took 309.38 ms. Allocated memory is still 139.5 MB. Free memory was 87.1 MB in the beginning and 76.5 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2019-09-06 08:58:29,002 INFO L168 Benchmark]: Boogie Preprocessor took 158.04 ms. Allocated memory was 139.5 MB in the beginning and 199.2 MB in the end (delta: 59.8 MB). Free memory was 76.5 MB in the beginning and 175.9 MB in the end (delta: -99.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-09-06 08:58:29,003 INFO L168 Benchmark]: RCFGBuilder took 290.69 ms. Allocated memory is still 199.2 MB. Free memory was 175.9 MB in the beginning and 160.2 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. [2019-09-06 08:58:29,003 INFO L168 Benchmark]: Sifa took 295.14 ms. Allocated memory is still 199.2 MB. Free memory was 160.2 MB in the beginning and 148.8 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-09-06 08:58:29,008 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 309.38 ms. Allocated memory is still 139.5 MB. Free memory was 87.1 MB in the beginning and 76.5 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 158.04 ms. Allocated memory was 139.5 MB in the beginning and 199.2 MB in the end (delta: 59.8 MB). Free memory was 76.5 MB in the beginning and 175.9 MB in the end (delta: -99.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 290.69 ms. Allocated memory is still 199.2 MB. Free memory was 175.9 MB in the beginning and 160.2 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. * Sifa took 295.14 ms. Allocated memory is still 199.2 MB. Free memory was 160.2 MB in the beginning and 148.8 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 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]: 244, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 23, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 16, TOOLS_POST_TIME[ms]: 36, TOOLS_POST_CALL_APPLICATIONS: 6, TOOLS_POST_CALL_TIME[ms]: 44, TOOLS_POST_RETURN_APPLICATIONS: 5, TOOLS_POST_RETURN_TIME[ms]: 14, TOOLS_QUANTIFIERELIM_TIME[ms]: 54, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 23, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 6, DOMAIN_JOIN_TIME[ms]: 34, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 1, DOMAIN_ISSUBSETEQ_TIME[ms]: 12, DOMAIN_ISBOTTOM_APPLICATIONS: 1, DOMAIN_ISBOTTOM_TIME[ms]: 4, 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: 5, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 91, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 16, DAG_COMPRESSION_PROCESSED_NODES: 71, DAG_COMPRESSION_RETAINED_NODES: 40 - UnprovableResult [Line: 42]: 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 36#(and (<= main_~pd2~0.offset 0) (<= 0 |~#d1~0.offset|) (<= 0 main_~pd1~0.offset) (<= |#NULL.base| 0) (<= |~#d1~0.offset| 0) (<= main_~pd1~0.offset 0) (<= 0 |~#d2~0.offset|) (<= 0 |#NULL.base|) (<= |~#d2~0.offset| 0) (<= 0 main_~pd2~0.offset) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...