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/floats-cbmc-regression/float3.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 08:35:00,592 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 08:35:00,595 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 08:35:00,607 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 08:35:00,607 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 08:35:00,608 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 08:35:00,609 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 08:35:00,611 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 08:35:00,613 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 08:35:00,613 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 08:35:00,614 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 08:35:00,615 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 08:35:00,616 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 08:35:00,617 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 08:35:00,618 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 08:35:00,619 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 08:35:00,619 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 08:35:00,620 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 08:35:00,622 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 08:35:00,624 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 08:35:00,626 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 08:35:00,627 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 08:35:00,628 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 08:35:00,629 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 08:35:00,634 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 08:35:00,635 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 08:35:00,635 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 08:35:00,637 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 08:35:00,639 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 08:35:00,641 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 08:35:00,641 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 08:35:00,642 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 08:35:00,642 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 08:35:00,643 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 08:35:00,645 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 08:35:00,645 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 08:35:00,646 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 08:35:00,646 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 08:35:00,646 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 08:35:00,647 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 08:35:00,647 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 08:35:00,648 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 08:35:00,663 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 08:35:00,663 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 08:35:00,665 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 08:35:00,665 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 08:35:00,665 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 08:35:00,665 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 08:35:00,665 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 08:35:00,666 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 08:35:00,666 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 08:35:00,666 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 08:35:00,666 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 08:35:00,666 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 08:35:00,667 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 08:35:00,667 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 08:35:00,667 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 08:35:00,667 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 08:35:00,667 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 08:35:00,668 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 08:35:00,668 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 08:35:00,668 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 08:35:00,668 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 08:35:00,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 08:35:00,669 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 08:35:00,669 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 08:35:00,669 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 08:35:00,669 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 08:35:00,669 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 08:35:00,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 08:35:00,670 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 08:35:00,699 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 08:35:00,711 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 08:35:00,715 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 08:35:00,716 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 08:35:00,717 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 08:35:00,717 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float3.c [2019-09-06 08:35:00,774 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78f65fe67/9aa0492e902a4a628c1b50766155d1d6/FLAG031ddbc55 [2019-09-06 08:35:01,222 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 08:35:01,225 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float3.c [2019-09-06 08:35:01,232 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78f65fe67/9aa0492e902a4a628c1b50766155d1d6/FLAG031ddbc55 [2019-09-06 08:35:01,598 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78f65fe67/9aa0492e902a4a628c1b50766155d1d6 [2019-09-06 08:35:01,611 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 08:35:01,613 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 08:35:01,614 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 08:35:01,614 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 08:35:01,618 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 08:35:01,619 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 08:35:01" (1/1) ... [2019-09-06 08:35:01,622 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25b352ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:35:01, skipping insertion in model container [2019-09-06 08:35:01,622 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 08:35:01" (1/1) ... [2019-09-06 08:35:01,630 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 08:35:01,647 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 08:35:01,813 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 08:35:01,821 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 08:35:01,839 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 08:35:01,853 INFO L192 MainTranslator]: Completed translation [2019-09-06 08:35:01,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:35:01 WrapperNode [2019-09-06 08:35:01,854 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 08:35:01,855 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 08:35:01,855 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 08:35:01,855 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 08:35:01,869 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:35:01" (1/1) ... [2019-09-06 08:35:01,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:35:01" (1/1) ... [2019-09-06 08:35:01,976 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:35:01" (1/1) ... [2019-09-06 08:35:01,976 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:35:01" (1/1) ... [2019-09-06 08:35:01,981 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:35:01" (1/1) ... [2019-09-06 08:35:01,983 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:35:01" (1/1) ... [2019-09-06 08:35:01,984 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:35:01" (1/1) ... [2019-09-06 08:35:01,986 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 08:35:01,986 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 08:35:01,986 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 08:35:01,987 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 08:35:01,988 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:35:01" (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 08:35:02,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 08:35:02,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 08:35:02,036 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2019-09-06 08:35:02,036 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 08:35:02,036 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 08:35:02,036 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-06 08:35:02,036 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2019-09-06 08:35:02,039 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 08:35:02,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 08:35:02,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 08:35:02,194 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 08:35:02,194 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-06 08:35:02,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 08:35:02 BoogieIcfgContainer [2019-09-06 08:35:02,196 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 08:35:02,196 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 08:35:02,196 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 08:35:02,197 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 08:35:02,198 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 08:35:02" (1/1) ... [2019-09-06 08:35:02,198 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 08:35:02,220 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 08:35:02,221 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 08:35:02,228 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 08:35:02,237 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 08:35:02,238 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 08:35:02,314 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 7 for LOIs [2019-09-06 08:35:02,363 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 08:35:02,363 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 08:35:02,366 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 21#(or (and (<= 0.0 |old(~d~0)|) (<= 2 main_~x~0) (<= main_~x~0 2) (<= |old(~d~0)| 0.0)) (and (<= 4 main_~x~0) (<= 0.0 |old(~d~0)|) (<= main_~x~0 4) (<= |old(~d~0)| 0.0))) [2019-09-06 08:35:02,385 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 08:35:02,385 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 08:35:02,388 INFO L168 Benchmark]: Toolchain (without parser) took 774.30 ms. Allocated memory was 141.0 MB in the beginning and 201.9 MB in the end (delta: 60.8 MB). Free memory was 89.3 MB in the beginning and 161.3 MB in the end (delta: -71.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-06 08:35:02,389 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 141.0 MB. Free memory was 107.2 MB in the beginning and 107.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-06 08:35:02,389 INFO L168 Benchmark]: CACSL2BoogieTranslator took 240.89 ms. Allocated memory is still 141.0 MB. Free memory was 89.1 MB in the beginning and 80.0 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-09-06 08:35:02,391 INFO L168 Benchmark]: Boogie Preprocessor took 131.00 ms. Allocated memory was 141.0 MB in the beginning and 201.9 MB in the end (delta: 60.8 MB). Free memory was 80.0 MB in the beginning and 179.9 MB in the end (delta: -99.9 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. [2019-09-06 08:35:02,391 INFO L168 Benchmark]: RCFGBuilder took 209.38 ms. Allocated memory is still 201.9 MB. Free memory was 179.9 MB in the beginning and 169.3 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2019-09-06 08:35:02,392 INFO L168 Benchmark]: Sifa took 189.11 ms. Allocated memory is still 201.9 MB. Free memory was 169.3 MB in the beginning and 161.3 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 7.1 GB. [2019-09-06 08:35:02,396 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 141.0 MB. Free memory was 107.2 MB in the beginning and 107.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 240.89 ms. Allocated memory is still 141.0 MB. Free memory was 89.1 MB in the beginning and 80.0 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 131.00 ms. Allocated memory was 141.0 MB in the beginning and 201.9 MB in the end (delta: 60.8 MB). Free memory was 80.0 MB in the beginning and 179.9 MB in the end (delta: -99.9 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 209.38 ms. Allocated memory is still 201.9 MB. Free memory was 179.9 MB in the beginning and 169.3 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Sifa took 189.11 ms. Allocated memory is still 201.9 MB. Free memory was 169.3 MB in the beginning and 161.3 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 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]: 145, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 13, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 10, TOOLS_POST_TIME[ms]: 14, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 24, TOOLS_POST_RETURN_APPLICATIONS: 2, TOOLS_POST_RETURN_TIME[ms]: 10, TOOLS_QUANTIFIERELIM_TIME[ms]: 36, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 13, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 4, DOMAIN_JOIN_TIME[ms]: 17, 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: 1, DOMAIN_ISBOTTOM_TIME[ms]: 3, 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: 2, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 22, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 16, DAG_COMPRESSION_PROCESSED_NODES: 42, DAG_COMPRESSION_RETAINED_NODES: 29 - UnprovableResult [Line: 24]: 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 21#(or (and (<= 0.0 |old(~d~0)|) (<= 2 main_~x~0) (<= main_~x~0 2) (<= |old(~d~0)| 0.0)) (and (<= 4 main_~x~0) (<= 0.0 |old(~d~0)|) (<= main_~x~0 4) (<= |old(~d~0)| 0.0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...