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/loop-floats-scientific-comp/loop1-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 08:51:13,623 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 08:51:13,628 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 08:51:13,643 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 08:51:13,643 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 08:51:13,644 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 08:51:13,646 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 08:51:13,656 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 08:51:13,660 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 08:51:13,664 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 08:51:13,666 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 08:51:13,668 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 08:51:13,668 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 08:51:13,671 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 08:51:13,673 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 08:51:13,675 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 08:51:13,676 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 08:51:13,678 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 08:51:13,681 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 08:51:13,687 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 08:51:13,690 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 08:51:13,693 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 08:51:13,695 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 08:51:13,697 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 08:51:13,699 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 08:51:13,699 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 08:51:13,699 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 08:51:13,702 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 08:51:13,703 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 08:51:13,704 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 08:51:13,704 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 08:51:13,706 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 08:51:13,707 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 08:51:13,708 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 08:51:13,711 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 08:51:13,711 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 08:51:13,712 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 08:51:13,713 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 08:51:13,713 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 08:51:13,714 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 08:51:13,715 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 08:51:13,716 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 08:51:13,750 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 08:51:13,750 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 08:51:13,752 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 08:51:13,752 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 08:51:13,752 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 08:51:13,752 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 08:51:13,753 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 08:51:13,753 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 08:51:13,753 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 08:51:13,754 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 08:51:13,754 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 08:51:13,754 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 08:51:13,755 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 08:51:13,755 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 08:51:13,755 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 08:51:13,755 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 08:51:13,755 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 08:51:13,756 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 08:51:13,756 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 08:51:13,757 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 08:51:13,758 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 08:51:13,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 08:51:13,758 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 08:51:13,758 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 08:51:13,759 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 08:51:13,759 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 08:51:13,759 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 08:51:13,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 08:51:13,760 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 08:51:13,808 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 08:51:13,822 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 08:51:13,825 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 08:51:13,827 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 08:51:13,827 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 08:51:13,828 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-floats-scientific-comp/loop1-2.c [2019-09-06 08:51:13,894 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85fa6e8b7/dfc6f0f2d34e4cca99a4143030c09eac/FLAG4df2375bd [2019-09-06 08:51:14,399 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 08:51:14,400 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-floats-scientific-comp/loop1-2.c [2019-09-06 08:51:14,408 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85fa6e8b7/dfc6f0f2d34e4cca99a4143030c09eac/FLAG4df2375bd [2019-09-06 08:51:14,725 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85fa6e8b7/dfc6f0f2d34e4cca99a4143030c09eac [2019-09-06 08:51:14,738 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 08:51:14,739 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 08:51:14,740 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 08:51:14,741 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 08:51:14,744 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 08:51:14,745 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 08:51:14" (1/1) ... [2019-09-06 08:51:14,748 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64899908 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:51:14, skipping insertion in model container [2019-09-06 08:51:14,749 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 08:51:14" (1/1) ... [2019-09-06 08:51:14,756 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 08:51:14,773 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 08:51:14,947 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 08:51:14,955 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 08:51:14,971 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 08:51:14,985 INFO L192 MainTranslator]: Completed translation [2019-09-06 08:51:14,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:51:14 WrapperNode [2019-09-06 08:51:14,986 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 08:51:14,986 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 08:51:14,987 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 08:51:14,987 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 08:51:15,099 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:51:14" (1/1) ... [2019-09-06 08:51:15,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:51:14" (1/1) ... [2019-09-06 08:51:15,104 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:51:14" (1/1) ... [2019-09-06 08:51:15,105 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:51:14" (1/1) ... [2019-09-06 08:51:15,110 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:51:14" (1/1) ... [2019-09-06 08:51:15,115 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:51:14" (1/1) ... [2019-09-06 08:51:15,116 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:51:14" (1/1) ... [2019-09-06 08:51:15,117 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 08:51:15,122 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 08:51:15,122 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 08:51:15,122 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 08:51:15,123 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:51:14" (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 08:51:15,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 08:51:15,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 08:51:15,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-06 08:51:15,170 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 08:51:15,170 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-09-06 08:51:15,170 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 08:51:15,170 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-06 08:51:15,170 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-06 08:51:15,171 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-06 08:51:15,171 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 08:51:15,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 08:51:15,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 08:51:15,347 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 08:51:15,348 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-06 08:51:15,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 08:51:15 BoogieIcfgContainer [2019-09-06 08:51:15,349 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 08:51:15,350 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 08:51:15,350 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 08:51:15,350 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 08:51:15,351 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 08:51:15" (1/1) ... [2019-09-06 08:51:15,352 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 08:51:15,379 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 08:51:15,379 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 08:51:15,389 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 08:51:15,409 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 08:51:15,411 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 08:51:15,474 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-06 08:51:15,533 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-06 08:51:15,538 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 08:51:15,539 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 08:51:15,541 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 26#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) [2019-09-06 08:51:15,554 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 08:51:15,554 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 08:51:15,556 INFO L168 Benchmark]: Toolchain (without parser) took 816.14 ms. Allocated memory was 134.2 MB in the beginning and 201.3 MB in the end (delta: 67.1 MB). Free memory was 90.0 MB in the beginning and 158.7 MB in the end (delta: -68.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-06 08:51:15,557 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 134.2 MB. Free memory was 108.4 MB in the beginning and 108.2 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-09-06 08:51:15,558 INFO L168 Benchmark]: CACSL2BoogieTranslator took 245.72 ms. Allocated memory is still 134.2 MB. Free memory was 89.8 MB in the beginning and 80.5 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-09-06 08:51:15,560 INFO L168 Benchmark]: Boogie Preprocessor took 131.03 ms. Allocated memory was 134.2 MB in the beginning and 201.3 MB in the end (delta: 67.1 MB). Free memory was 80.5 MB in the beginning and 178.4 MB in the end (delta: -97.9 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-09-06 08:51:15,560 INFO L168 Benchmark]: RCFGBuilder took 227.91 ms. Allocated memory is still 201.3 MB. Free memory was 177.4 MB in the beginning and 166.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2019-09-06 08:51:15,561 INFO L168 Benchmark]: Sifa took 204.10 ms. Allocated memory is still 201.3 MB. Free memory was 166.7 MB in the beginning and 158.7 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 7.1 GB. [2019-09-06 08:51:15,565 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 134.2 MB. Free memory was 108.4 MB in the beginning and 108.2 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 245.72 ms. Allocated memory is still 134.2 MB. Free memory was 89.8 MB in the beginning and 80.5 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 131.03 ms. Allocated memory was 134.2 MB in the beginning and 201.3 MB in the end (delta: 67.1 MB). Free memory was 80.5 MB in the beginning and 178.4 MB in the end (delta: -97.9 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 227.91 ms. Allocated memory is still 201.3 MB. Free memory was 177.4 MB in the beginning and 166.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. * Sifa took 204.10 ms. Allocated memory is still 201.3 MB. Free memory was 166.7 MB in the beginning and 158.7 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 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]: 162, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 17, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 13, TOOLS_POST_TIME[ms]: 24, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 12, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_TIME[ms]: 26, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 19, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 6, DOMAIN_JOIN_TIME[ms]: 16, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 3, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 6, DOMAIN_ISBOTTOM_APPLICATIONS: 1, DOMAIN_ISBOTTOM_TIME[ms]: 1, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 26, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 26, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 13, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 17, DAG_COMPRESSION_PROCESSED_NODES: 56, DAG_COMPRESSION_RETAINED_NODES: 33 - UnprovableResult [Line: 9]: 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 26#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...