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 ExplicitValueDomain --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/loops/while_infinite_loop_2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 08:26:02,533 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 08:26:02,535 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 08:26:02,547 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 08:26:02,547 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 08:26:02,548 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 08:26:02,550 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 08:26:02,552 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 08:26:02,553 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 08:26:02,554 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 08:26:02,555 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 08:26:02,556 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 08:26:02,557 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 08:26:02,558 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 08:26:02,559 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 08:26:02,560 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 08:26:02,561 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 08:26:02,562 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 08:26:02,563 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 08:26:02,565 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 08:26:02,567 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 08:26:02,568 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 08:26:02,570 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 08:26:02,570 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 08:26:02,573 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-21 08:26:02,576 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 08:26:02,577 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 08:26:02,578 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 08:26:02,579 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 08:26:02,580 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 08:26:02,580 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 08:26:02,580 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 08:26:02,581 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 08:26:02,581 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 08:26:02,582 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 08:26:02,582 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 08:26:02,583 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 08:26:02,598 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 08:26:02,598 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 08:26:02,599 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 08:26:02,600 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 08:26:02,600 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 08:26:02,600 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 08:26:02,600 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 08:26:02,600 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 08:26:02,601 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 08:26:02,601 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 08:26:02,601 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 08:26:02,601 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 08:26:02,601 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 08:26:02,602 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 08:26:02,602 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 08:26:02,602 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 08:26:02,602 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 08:26:02,602 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 08:26:02,603 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 08:26:02,603 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 08:26:02,603 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 08:26:02,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 08:26:02,603 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 08:26:02,604 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 08:26:02,604 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 08:26:02,604 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 08:26:02,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 08:26:02,604 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 08:26:02,605 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain 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 08:26:02,640 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 08:26:02,654 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 08:26:02,657 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 08:26:02,659 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 08:26:02,659 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 08:26:02,660 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/while_infinite_loop_2.c [2019-09-21 08:26:02,724 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a16cc84fd/12b03a4d6fdf4884877330e4bf4bff18/FLAG52c4557d0 [2019-09-21 08:26:03,237 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 08:26:03,239 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/while_infinite_loop_2.c [2019-09-21 08:26:03,248 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a16cc84fd/12b03a4d6fdf4884877330e4bf4bff18/FLAG52c4557d0 [2019-09-21 08:26:03,642 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a16cc84fd/12b03a4d6fdf4884877330e4bf4bff18 [2019-09-21 08:26:03,650 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 08:26:03,652 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 08:26:03,653 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 08:26:03,654 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 08:26:03,657 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 08:26:03,658 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:26:03" (1/1) ... [2019-09-21 08:26:03,661 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d3995df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:26:03, skipping insertion in model container [2019-09-21 08:26:03,661 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:26:03" (1/1) ... [2019-09-21 08:26:03,672 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 08:26:03,687 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 08:26:03,827 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:26:03,832 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 08:26:03,842 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:26:03,853 INFO L192 MainTranslator]: Completed translation [2019-09-21 08:26:03,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:26:03 WrapperNode [2019-09-21 08:26:03,854 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 08:26:03,854 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 08:26:03,854 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 08:26:03,854 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 08:26:03,948 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:26:03" (1/1) ... [2019-09-21 08:26:03,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:26:03" (1/1) ... [2019-09-21 08:26:03,953 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:26:03" (1/1) ... [2019-09-21 08:26:03,953 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:26:03" (1/1) ... [2019-09-21 08:26:03,956 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:26:03" (1/1) ... [2019-09-21 08:26:03,965 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:26:03" (1/1) ... [2019-09-21 08:26:03,966 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:26:03" (1/1) ... [2019-09-21 08:26:03,967 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 08:26:03,967 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 08:26:03,968 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 08:26:03,968 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 08:26:03,969 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:26:03" (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 08:26:04,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 08:26:04,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 08:26:04,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-21 08:26:04,028 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 08:26:04,028 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 08:26:04,028 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-21 08:26:04,028 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 08:26:04,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 08:26:04,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 08:26:04,175 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 08:26:04,175 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-21 08:26:04,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:26:04 BoogieIcfgContainer [2019-09-21 08:26:04,177 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 08:26:04,177 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 08:26:04,177 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 08:26:04,177 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 08:26:04,178 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:26:04" (1/1) ... [2019-09-21 08:26:04,179 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ 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 08:26:04,200 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 08:26:04,200 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 08:26:04,208 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 08:26:04,216 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 08:26:04,218 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 08:26:04,311 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-21 08:26:04,398 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 3 for LOIs [2019-09-21 08:26:04,408 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 08:26:04,409 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 08:26:04,411 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 39#(and (= |__VERIFIER_assert_#in~cond| 1) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-21 08:26:04,433 INFO L100 SifaObserver]: ✔ All error locations are guaranteed to be unreachable. [2019-09-21 08:26:04,434 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 08:26:04,438 INFO L168 Benchmark]: Toolchain (without parser) took 783.91 ms. Allocated memory was 131.1 MB in the beginning and 198.2 MB in the end (delta: 67.1 MB). Free memory was 87.1 MB in the beginning and 154.3 MB in the end (delta: -67.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-21 08:26:04,440 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 131.1 MB. Free memory was 105.1 MB in the beginning and 104.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 08:26:04,454 INFO L168 Benchmark]: CACSL2BoogieTranslator took 200.58 ms. Allocated memory is still 131.1 MB. Free memory was 86.9 MB in the beginning and 77.6 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-09-21 08:26:04,458 INFO L168 Benchmark]: Boogie Preprocessor took 112.97 ms. Allocated memory was 131.1 MB in the beginning and 198.2 MB in the end (delta: 67.1 MB). Free memory was 77.6 MB in the beginning and 175.0 MB in the end (delta: -97.4 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-09-21 08:26:04,460 INFO L168 Benchmark]: RCFGBuilder took 209.20 ms. Allocated memory is still 198.2 MB. Free memory was 175.0 MB in the beginning and 164.4 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2019-09-21 08:26:04,462 INFO L168 Benchmark]: Sifa took 257.09 ms. Allocated memory is still 198.2 MB. Free memory was 164.4 MB in the beginning and 154.3 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-09-21 08:26:04,472 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 131.1 MB. Free memory was 105.1 MB in the beginning and 104.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 200.58 ms. Allocated memory is still 131.1 MB. Free memory was 86.9 MB in the beginning and 77.6 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 112.97 ms. Allocated memory was 131.1 MB in the beginning and 198.2 MB in the end (delta: 67.1 MB). Free memory was 77.6 MB in the beginning and 175.0 MB in the end (delta: -97.4 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 209.20 ms. Allocated memory is still 198.2 MB. Free memory was 175.0 MB in the beginning and 164.4 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Sifa took 257.09 ms. Allocated memory is still 198.2 MB. Free memory was 164.4 MB in the beginning and 154.3 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 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]: 211, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 21, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 14, TOOLS_POST_TIME[ms]: 3, TOOLS_POST_CALL_APPLICATIONS: 6, TOOLS_POST_CALL_TIME[ms]: 29, TOOLS_POST_RETURN_APPLICATIONS: 3, TOOLS_POST_RETURN_TIME[ms]: 15, TOOLS_QUANTIFIERELIM_APPLICATIONS: 23, TOOLS_QUANTIFIERELIM_TIME[ms]: 33, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 17, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 22, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 7, DOMAIN_JOIN_TIME[ms]: 61, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 1, DOMAIN_ISSUBSETEQ_TIME[ms]: 3, DOMAIN_ISBOTTOM_APPLICATIONS: 3, DOMAIN_ISBOTTOM_TIME[ms]: 13, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 57, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 56, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 1, CALL_SUMMARIZER_APPLICATIONS: 3, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 63, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 63, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 17, DAG_COMPRESSION_PROCESSED_NODES: 60, DAG_COMPRESSION_RETAINED_NODES: 33 - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold RESULT: Ultimate proved your program to be correct! Received shutdown request...