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/test23-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 08:58:33,779 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 08:58:33,781 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 08:58:33,794 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 08:58:33,794 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 08:58:33,795 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 08:58:33,796 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 08:58:33,800 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 08:58:33,804 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 08:58:33,805 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 08:58:33,809 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 08:58:33,811 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 08:58:33,811 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 08:58:33,812 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 08:58:33,815 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 08:58:33,816 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 08:58:33,817 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 08:58:33,820 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 08:58:33,823 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 08:58:33,825 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 08:58:33,829 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 08:58:33,831 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 08:58:33,834 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 08:58:33,837 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 08:58:33,840 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-06 08:58:33,846 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 08:58:33,849 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 08:58:33,850 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 08:58:33,850 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 08:58:33,855 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 08:58:33,855 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 08:58:33,856 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 08:58:33,856 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 08:58:33,857 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 08:58:33,858 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 08:58:33,859 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 08:58:33,860 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 08:58:33,874 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 08:58:33,875 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 08:58:33,876 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 08:58:33,876 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 08:58:33,877 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 08:58:33,877 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 08:58:33,877 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 08:58:33,877 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 08:58:33,877 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 08:58:33,878 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 08:58:33,878 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 08:58:33,878 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 08:58:33,878 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 08:58:33,878 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 08:58:33,879 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 08:58:33,879 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 08:58:33,879 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 08:58:33,879 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 08:58:33,879 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 08:58:33,880 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 08:58:33,880 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 08:58:33,880 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 08:58:33,880 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 08:58:33,880 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 08:58:33,881 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 08:58:33,881 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 08:58:33,881 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 08:58:33,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 08:58:33,881 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 08:58:33,930 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 08:58:33,944 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 08:58:33,948 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 08:58:33,950 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 08:58:33,951 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 08:58:33,951 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test23-2.c [2019-09-06 08:58:34,022 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/064965a81/66c2a5d89fd343159c1ce5c2c3ad9452/FLAGc414a068d [2019-09-06 08:58:34,496 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 08:58:34,496 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test23-2.c [2019-09-06 08:58:34,506 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/064965a81/66c2a5d89fd343159c1ce5c2c3ad9452/FLAGc414a068d [2019-09-06 08:58:34,865 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/064965a81/66c2a5d89fd343159c1ce5c2c3ad9452 [2019-09-06 08:58:34,877 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 08:58:34,879 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 08:58:34,880 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 08:58:34,880 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 08:58:34,883 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 08:58:34,883 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 08:58:34" (1/1) ... [2019-09-06 08:58:34,886 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@318a8aa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:58:34, skipping insertion in model container [2019-09-06 08:58:34,886 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 08:58:34" (1/1) ... [2019-09-06 08:58:34,892 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 08:58:34,908 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 08:58:35,117 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 08:58:35,131 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 08:58:35,242 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 08:58:35,258 INFO L192 MainTranslator]: Completed translation [2019-09-06 08:58:35,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:58:35 WrapperNode [2019-09-06 08:58:35,259 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 08:58:35,259 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 08:58:35,259 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 08:58:35,260 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 08:58:35,273 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:58:35" (1/1) ... [2019-09-06 08:58:35,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:58:35" (1/1) ... [2019-09-06 08:58:35,282 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:58:35" (1/1) ... [2019-09-06 08:58:35,282 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:58:35" (1/1) ... [2019-09-06 08:58:35,291 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:58:35" (1/1) ... [2019-09-06 08:58:35,296 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:58:35" (1/1) ... [2019-09-06 08:58:35,297 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:58:35" (1/1) ... [2019-09-06 08:58:35,300 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 08:58:35,300 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 08:58:35,300 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 08:58:35,300 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 08:58:35,305 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:58:35" (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 08:58:35,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 08:58:35,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 08:58:35,361 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-09-06 08:58:35,361 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2019-09-06 08:58:35,361 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-06 08:58:35,361 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 08:58:35,361 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 08:58:35,361 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-06 08:58:35,362 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-06 08:58:35,362 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-06 08:58:35,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-06 08:58:35,362 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2019-09-06 08:58:35,362 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-06 08:58:35,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-06 08:58:35,363 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 08:58:35,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 08:58:35,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-06 08:58:35,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 08:58:35,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-06 08:58:35,701 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 08:58:35,701 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-06 08:58:35,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 08:58:35 BoogieIcfgContainer [2019-09-06 08:58:35,702 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 08:58:35,703 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 08:58:35,703 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 08:58:35,703 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 08:58:35,705 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 08:58:35" (1/1) ... [2019-09-06 08:58:35,705 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 08:58:35,742 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 08:58:35,743 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 08:58:35,751 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 08:58:35,762 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 08:58:35,763 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 08:58:35,844 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 17 for LOIs [2019-09-06 08:58:36,011 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 08:58:36,070 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 08:58:36,070 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 08:58:36,072 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 60#(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 08:58:36,086 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 08:58:36,086 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 08:58:36,088 INFO L168 Benchmark]: Toolchain (without parser) took 1209.20 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 88.4 MB in the beginning and 138.1 MB in the end (delta: -49.7 MB). Peak memory consumption was 16.9 MB. Max. memory is 7.1 GB. [2019-09-06 08:58:36,090 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 132.6 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-06 08:58:36,091 INFO L168 Benchmark]: CACSL2BoogieTranslator took 379.10 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 88.2 MB in the beginning and 175.0 MB in the end (delta: -86.8 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. [2019-09-06 08:58:36,092 INFO L168 Benchmark]: Boogie Preprocessor took 40.41 ms. Allocated memory is still 199.2 MB. Free memory was 175.0 MB in the beginning and 173.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-09-06 08:58:36,093 INFO L168 Benchmark]: RCFGBuilder took 402.46 ms. Allocated memory is still 199.2 MB. Free memory was 173.1 MB in the beginning and 156.4 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 7.1 GB. [2019-09-06 08:58:36,093 INFO L168 Benchmark]: Sifa took 383.41 ms. Allocated memory is still 199.2 MB. Free memory was 156.4 MB in the beginning and 138.1 MB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 7.1 GB. [2019-09-06 08:58:36,098 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 132.6 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 379.10 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 88.2 MB in the beginning and 175.0 MB in the end (delta: -86.8 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 40.41 ms. Allocated memory is still 199.2 MB. Free memory was 175.0 MB in the beginning and 173.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 402.46 ms. Allocated memory is still 199.2 MB. Free memory was 173.1 MB in the beginning and 156.4 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 7.1 GB. * Sifa took 383.41 ms. Allocated memory is still 199.2 MB. Free memory was 156.4 MB in the beginning and 138.1 MB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 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]: 330, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 39, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 29, TOOLS_POST_TIME[ms]: 137, TOOLS_POST_CALL_APPLICATIONS: 8, TOOLS_POST_CALL_TIME[ms]: 27, TOOLS_POST_RETURN_APPLICATIONS: 7, TOOLS_POST_RETURN_TIME[ms]: 11, TOOLS_QUANTIFIERELIM_TIME[ms]: 151, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 41, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 11, DOMAIN_JOIN_TIME[ms]: 39, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 4, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 8, DOMAIN_ISBOTTOM_APPLICATIONS: 3, DOMAIN_ISBOTTOM_TIME[ms]: 17, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 22, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 21, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 7, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 84, 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]: 21, DAG_COMPRESSION_PROCESSED_NODES: 100, DAG_COMPRESSION_RETAINED_NODES: 54 - UnprovableResult [Line: 50]: 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 60#(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...