java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_1032d.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 08:50:08,724 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 08:50:08,726 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 08:50:08,738 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 08:50:08,738 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 08:50:08,740 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 08:50:08,741 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 08:50:08,743 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 08:50:08,745 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 08:50:08,746 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 08:50:08,746 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 08:50:08,748 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 08:50:08,748 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 08:50:08,749 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 08:50:08,750 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 08:50:08,751 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 08:50:08,752 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 08:50:08,753 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 08:50:08,755 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 08:50:08,757 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 08:50:08,759 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 08:50:08,760 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 08:50:08,761 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 08:50:08,762 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 08:50:08,765 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-06 08:50:08,769 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 08:50:08,769 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 08:50:08,770 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 08:50:08,771 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 08:50:08,772 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 08:50:08,772 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 08:50:08,773 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 08:50:08,774 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 08:50:08,774 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 08:50:08,775 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 08:50:08,776 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 08:50:08,776 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 08:50:08,804 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 08:50:08,805 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 08:50:08,806 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 08:50:08,806 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 08:50:08,807 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 08:50:08,807 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 08:50:08,808 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 08:50:08,808 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 08:50:08,808 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 08:50:08,808 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 08:50:08,808 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 08:50:08,809 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 08:50:08,809 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 08:50:08,809 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 08:50:08,810 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 08:50:08,810 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 08:50:08,811 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 08:50:08,811 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 08:50:08,811 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 08:50:08,811 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 08:50:08,811 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 08:50:08,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 08:50:08,812 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 08:50:08,812 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 08:50:08,812 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 08:50:08,812 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 08:50:08,813 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 08:50:08,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 08:50:08,813 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 08:50:08,852 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 08:50:08,870 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 08:50:08,876 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 08:50:08,878 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 08:50:08,878 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 08:50:08,879 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1032d.c [2019-09-06 08:50:08,939 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8741749cc/47565dd3b01f4a72ac9c5899aa38489d/FLAG472159ec2 [2019-09-06 08:50:09,310 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 08:50:09,311 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1032d.c [2019-09-06 08:50:09,318 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8741749cc/47565dd3b01f4a72ac9c5899aa38489d/FLAG472159ec2 [2019-09-06 08:50:09,681 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8741749cc/47565dd3b01f4a72ac9c5899aa38489d [2019-09-06 08:50:09,690 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 08:50:09,691 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 08:50:09,692 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 08:50:09,693 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 08:50:09,696 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 08:50:09,697 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 08:50:09" (1/1) ... [2019-09-06 08:50:09,700 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31bacf86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:50:09, skipping insertion in model container [2019-09-06 08:50:09,700 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 08:50:09" (1/1) ... [2019-09-06 08:50:09,708 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 08:50:09,726 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 08:50:09,934 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 08:50:09,947 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 08:50:10,003 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 08:50:10,168 INFO L192 MainTranslator]: Completed translation [2019-09-06 08:50:10,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:50:10 WrapperNode [2019-09-06 08:50:10,169 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 08:50:10,169 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 08:50:10,169 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 08:50:10,170 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 08:50:10,185 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:50:10" (1/1) ... [2019-09-06 08:50:10,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:50:10" (1/1) ... [2019-09-06 08:50:10,206 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:50:10" (1/1) ... [2019-09-06 08:50:10,207 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:50:10" (1/1) ... [2019-09-06 08:50:10,230 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:50:10" (1/1) ... [2019-09-06 08:50:10,243 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:50:10" (1/1) ... [2019-09-06 08:50:10,245 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:50:10" (1/1) ... [2019-09-06 08:50:10,248 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 08:50:10,249 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 08:50:10,249 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 08:50:10,249 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 08:50:10,250 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:50:10" (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 08:50:10,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 08:50:10,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 08:50:10,312 INFO L138 BoogieDeclarations]: Found implementation of procedure round_float [2019-09-06 08:50:10,312 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2019-09-06 08:50:10,312 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 08:50:10,312 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 08:50:10,313 INFO L130 BoogieDeclarations]: Found specification of procedure round_float [2019-09-06 08:50:10,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-06 08:50:10,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-09-06 08:50:10,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-06 08:50:10,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-06 08:50:10,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-06 08:50:10,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-09-06 08:50:10,314 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2019-09-06 08:50:10,314 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 08:50:10,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 08:50:10,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 08:50:10,618 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 08:50:10,618 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-09-06 08:50:10,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 08:50:10 BoogieIcfgContainer [2019-09-06 08:50:10,623 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 08:50:10,624 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 08:50:10,624 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 08:50:10,624 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 08:50:10,626 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 08:50:10" (1/1) ... [2019-09-06 08:50:10,626 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 08:50:10,671 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 08:50:10,671 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 08:50:10,680 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 08:50:10,690 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 08:50:10,691 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 08:50:10,774 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 20 for LOIs [2019-09-06 08:50:11,392 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 08:50:11,392 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 08:50:11,394 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 69#(and (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-09-06 08:50:11,406 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 08:50:11,407 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 08:50:11,409 INFO L168 Benchmark]: Toolchain (without parser) took 1717.23 ms. Allocated memory was 137.9 MB in the beginning and 200.3 MB in the end (delta: 62.4 MB). Free memory was 85.4 MB in the beginning and 113.6 MB in the end (delta: -28.3 MB). Peak memory consumption was 34.1 MB. Max. memory is 7.1 GB. [2019-09-06 08:50:11,410 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory was 103.9 MB in the beginning and 103.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-06 08:50:11,411 INFO L168 Benchmark]: CACSL2BoogieTranslator took 476.63 ms. Allocated memory was 137.9 MB in the beginning and 200.3 MB in the end (delta: 62.4 MB). Free memory was 85.0 MB in the beginning and 178.6 MB in the end (delta: -93.6 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. [2019-09-06 08:50:11,412 INFO L168 Benchmark]: Boogie Preprocessor took 78.88 ms. Allocated memory is still 200.3 MB. Free memory was 178.6 MB in the beginning and 176.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-09-06 08:50:11,412 INFO L168 Benchmark]: RCFGBuilder took 374.95 ms. Allocated memory is still 200.3 MB. Free memory was 176.3 MB in the beginning and 157.8 MB in the end (delta: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 7.1 GB. [2019-09-06 08:50:11,413 INFO L168 Benchmark]: Sifa took 783.04 ms. Allocated memory is still 200.3 MB. Free memory was 157.8 MB in the beginning and 113.6 MB in the end (delta: 44.1 MB). Peak memory consumption was 44.1 MB. Max. memory is 7.1 GB. [2019-09-06 08:50:11,417 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 137.9 MB. Free memory was 103.9 MB in the beginning and 103.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 476.63 ms. Allocated memory was 137.9 MB in the beginning and 200.3 MB in the end (delta: 62.4 MB). Free memory was 85.0 MB in the beginning and 178.6 MB in the end (delta: -93.6 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 78.88 ms. Allocated memory is still 200.3 MB. Free memory was 178.6 MB in the beginning and 176.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 374.95 ms. Allocated memory is still 200.3 MB. Free memory was 176.3 MB in the beginning and 157.8 MB in the end (delta: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 7.1 GB. * Sifa took 783.04 ms. Allocated memory is still 200.3 MB. Free memory was 157.8 MB in the beginning and 113.6 MB in the end (delta: 44.1 MB). Peak memory consumption was 44.1 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]: 724, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 52, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 44, TOOLS_POST_TIME[ms]: 535, TOOLS_POST_CALL_APPLICATIONS: 4, TOOLS_POST_CALL_TIME[ms]: 32, TOOLS_POST_RETURN_APPLICATIONS: 3, TOOLS_POST_RETURN_TIME[ms]: 5, TOOLS_QUANTIFIERELIM_TIME[ms]: 532, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 56, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 16, DOMAIN_JOIN_TIME[ms]: 23, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 4, DOMAIN_ISSUBSETEQ_TIME[ms]: 1, DOMAIN_ISBOTTOM_APPLICATIONS: 9, DOMAIN_ISBOTTOM_TIME[ms]: 29, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 363, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 362, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 3, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 616, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 24, DAG_COMPRESSION_PROCESSED_NODES: 119, DAG_COMPRESSION_RETAINED_NODES: 64 - UnprovableResult [Line: 78]: 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 69#(and (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 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...