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 --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-regression/test28-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 09:11:52,552 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:11:52,554 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:11:52,566 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:11:52,567 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:11:52,568 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:11:52,569 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:11:52,571 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:11:52,573 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:11:52,573 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:11:52,574 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:11:52,576 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:11:52,576 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:11:52,577 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:11:52,578 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:11:52,579 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:11:52,580 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:11:52,581 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:11:52,583 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:11:52,585 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:11:52,587 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:11:52,588 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:11:52,590 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:11:52,590 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:11:52,593 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-21 09:11:52,601 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:11:52,602 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:11:52,603 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:11:52,603 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 [2019-09-21 09:11:52,633 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:11:52,634 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:11:52,636 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:11:52,636 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:11:52,637 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:11:52,637 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:11:52,637 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:11:52,637 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:11:52,637 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:11:52,638 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:11:52,638 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:11:52,639 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:11:52,639 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:11:52,640 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:11:52,640 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:11:52,640 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:11:52,640 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:11:52,641 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:11:52,641 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:11:52,641 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:11:52,642 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:11:52,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:11:52,642 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:11:52,642 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:11:52,643 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:11:52,643 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:11:52,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:11:52,643 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:11:52,644 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-21 09:11:52,705 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:11:52,726 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:11:52,733 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:11:52,734 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:11:52,735 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:11:52,735 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test28-2.c [2019-09-21 09:11:52,800 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66d3b37a2/95c54d9b7a414b5ab9d4dedca2a689d6/FLAG6f58efc2b [2019-09-21 09:11:53,315 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:11:53,317 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test28-2.c [2019-09-21 09:11:53,324 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66d3b37a2/95c54d9b7a414b5ab9d4dedca2a689d6/FLAG6f58efc2b [2019-09-21 09:11:53,725 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66d3b37a2/95c54d9b7a414b5ab9d4dedca2a689d6 [2019-09-21 09:11:53,737 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:11:53,738 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:11:53,739 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:11:53,740 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:11:53,743 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:11:53,744 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:11:53" (1/1) ... [2019-09-21 09:11:53,747 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e944fcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:11:53, skipping insertion in model container [2019-09-21 09:11:53,747 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:11:53" (1/1) ... [2019-09-21 09:11:53,755 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:11:53,772 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:11:53,945 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:11:53,957 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:11:53,975 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:11:53,991 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:11:54,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:11:54 WrapperNode [2019-09-21 09:11:54,079 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:11:54,080 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:11:54,081 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:11:54,081 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:11:54,094 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:11:54" (1/1) ... [2019-09-21 09:11:54,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:11:54" (1/1) ... [2019-09-21 09:11:54,102 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:11:54" (1/1) ... [2019-09-21 09:11:54,104 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:11:54" (1/1) ... [2019-09-21 09:11:54,112 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:11:54" (1/1) ... [2019-09-21 09:11:54,117 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:11:54" (1/1) ... [2019-09-21 09:11:54,123 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:11:54" (1/1) ... [2019-09-21 09:11:54,130 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:11:54,130 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:11:54,131 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:11:54,131 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:11:54,131 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:11:54" (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 [2019-09-21 09:11:54,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:11:54,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:11:54,186 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:11:54,186 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:11:54,186 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 09:11:54,186 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:11:54,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-21 09:11:54,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 09:11:54,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 09:11:54,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 09:11:54,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:11:54,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:11:54,555 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:11:54,555 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-21 09:11:54,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:11:54 BoogieIcfgContainer [2019-09-21 09:11:54,557 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:11:54,558 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:11:54,558 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:11:54,558 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:11:54,559 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:11:54" (1/1) ... [2019-09-21 09:11:54,560 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=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 09:11:54,601 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 09:11:54,601 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:11:54,614 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:11:54,630 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:11:54,631 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:11:54,809 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 17 for LOIs [2019-09-21 09:11:54,859 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 09:11:54,860 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 09:11:54,862 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 11#(and (<= |main_~#d1~0.offset| 0) (<= main_~n~0 2147483647) (<= |#NULL.base| 0) (<= 0 main_~pd~0.offset) (<= main_~pd~0.offset 0) (<= 0 |main_~#d2~0.offset|) (<= |main_~#d2~0.offset| 0) (<= 0 |#NULL.base|) (<= 0 (+ main_~n~0 2147483648)) (<= 0 |main_~#d1~0.offset|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-09-21 09:11:54,877 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 09:11:54,877 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 09:11:54,879 INFO L168 Benchmark]: Toolchain (without parser) took 1140.56 ms. Allocated memory was 133.7 MB in the beginning and 199.8 MB in the end (delta: 66.1 MB). Free memory was 87.0 MB in the beginning and 143.7 MB in the end (delta: -56.6 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-09-21 09:11:54,880 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 133.7 MB. Free memory is still 105.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-21 09:11:54,881 INFO L168 Benchmark]: CACSL2BoogieTranslator took 340.55 ms. Allocated memory was 133.7 MB in the beginning and 199.8 MB in the end (delta: 66.1 MB). Free memory was 87.0 MB in the beginning and 179.1 MB in the end (delta: -92.0 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. [2019-09-21 09:11:54,882 INFO L168 Benchmark]: Boogie Preprocessor took 49.53 ms. Allocated memory is still 199.8 MB. Free memory was 179.1 MB in the beginning and 175.9 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. [2019-09-21 09:11:54,883 INFO L168 Benchmark]: RCFGBuilder took 426.82 ms. Allocated memory is still 199.8 MB. Free memory was 175.9 MB in the beginning and 155.9 MB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. [2019-09-21 09:11:54,884 INFO L168 Benchmark]: Sifa took 319.70 ms. Allocated memory is still 199.8 MB. Free memory was 155.9 MB in the beginning and 143.7 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. [2019-09-21 09:11:54,888 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 133.7 MB. Free memory is still 105.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 340.55 ms. Allocated memory was 133.7 MB in the beginning and 199.8 MB in the end (delta: 66.1 MB). Free memory was 87.0 MB in the beginning and 179.1 MB in the end (delta: -92.0 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 49.53 ms. Allocated memory is still 199.8 MB. Free memory was 179.1 MB in the beginning and 175.9 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 426.82 ms. Allocated memory is still 199.8 MB. Free memory was 175.9 MB in the beginning and 155.9 MB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. * Sifa took 319.70 ms. Allocated memory is still 199.8 MB. Free memory was 155.9 MB in the beginning and 143.7 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 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]: 261, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 6, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 4, TOOLS_POST_TIME[ms]: 118, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 17, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 3, TOOLS_QUANTIFIERELIM_APPLICATIONS: 7, TOOLS_QUANTIFIERELIM_TIME[ms]: 128, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 100, FLUID_QUERY_TIME[ms]: 3, FLUID_QUERIES: 6, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 2, DOMAIN_JOIN_TIME[ms]: 44, 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: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 125, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 125, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 10, DAG_COMPRESSION_PROCESSED_NODES: 27, DAG_COMPRESSION_RETAINED_NODES: 18 - UnprovableResult [Line: 26]: 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 11#(and (<= |main_~#d1~0.offset| 0) (<= main_~n~0 2147483647) (<= |#NULL.base| 0) (<= 0 main_~pd~0.offset) (<= main_~pd~0.offset 0) (<= 0 |main_~#d2~0.offset|) (<= |main_~#d2~0.offset| 0) (<= 0 |#NULL.base|) (<= 0 (+ main_~n~0 2147483648)) (<= 0 |main_~#d1~0.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...