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-invgen/nest-if3.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c6af20d [2019-09-03 17:45:20,441 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-03 17:45:20,443 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-03 17:45:20,456 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-03 17:45:20,456 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-03 17:45:20,457 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-03 17:45:20,458 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-03 17:45:20,460 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-03 17:45:20,462 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-03 17:45:20,463 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-03 17:45:20,464 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-03 17:45:20,465 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-03 17:45:20,465 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-03 17:45:20,466 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-03 17:45:20,467 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-03 17:45:20,468 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-03 17:45:20,469 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-03 17:45:20,470 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-03 17:45:20,472 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-03 17:45:20,474 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-03 17:45:20,475 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-03 17:45:20,476 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-03 17:45:20,477 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-03 17:45:20,478 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-03 17:45:20,482 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-03 17:45:20,485 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-03 17:45:20,486 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-03 17:45:20,487 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-03 17:45:20,488 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-03 17:45:20,489 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-03 17:45:20,489 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-03 17:45:20,490 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-03 17:45:20,490 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-03 17:45:20,490 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-03 17:45:20,491 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-03 17:45:20,492 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-03 17:45:20,492 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 [2019-09-03 17:45:20,514 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-03 17:45:20,515 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-03 17:45:20,517 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-03 17:45:20,518 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-03 17:45:20,518 INFO L138 SettingsManager]: * Use SBE=true [2019-09-03 17:45:20,518 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-03 17:45:20,518 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-03 17:45:20,518 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-03 17:45:20,519 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-03 17:45:20,519 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-03 17:45:20,520 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-03 17:45:20,520 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-03 17:45:20,520 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-03 17:45:20,521 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-03 17:45:20,521 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-03 17:45:20,521 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-03 17:45:20,521 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-03 17:45:20,522 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-03 17:45:20,522 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-03 17:45:20,522 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-03 17:45:20,522 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-03 17:45:20,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-03 17:45:20,523 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-03 17:45:20,523 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-03 17:45:20,523 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-03 17:45:20,523 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-03 17:45:20,524 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-03 17:45:20,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-03 17:45:20,524 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 [2019-09-03 17:45:20,572 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-03 17:45:20,585 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-03 17:45:20,588 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-03 17:45:20,590 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-03 17:45:20,590 INFO L275 PluginConnector]: CDTParser initialized [2019-09-03 17:45:20,591 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/nest-if3.i [2019-09-03 17:45:20,652 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/205ff4955/55575a1d65184214b3537e282e3265e1/FLAG49c513ffe [2019-09-03 17:45:21,085 INFO L306 CDTParser]: Found 1 translation units. [2019-09-03 17:45:21,088 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/nest-if3.i [2019-09-03 17:45:21,095 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/205ff4955/55575a1d65184214b3537e282e3265e1/FLAG49c513ffe [2019-09-03 17:45:21,493 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/205ff4955/55575a1d65184214b3537e282e3265e1 [2019-09-03 17:45:21,504 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-03 17:45:21,506 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-03 17:45:21,507 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-03 17:45:21,507 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-03 17:45:21,512 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-03 17:45:21,514 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 05:45:21" (1/1) ... [2019-09-03 17:45:21,517 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@303c8375 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 05:45:21, skipping insertion in model container [2019-09-03 17:45:21,517 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 05:45:21" (1/1) ... [2019-09-03 17:45:21,526 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-03 17:45:21,553 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-03 17:45:21,792 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 17:45:21,797 INFO L188 MainTranslator]: Completed pre-run [2019-09-03 17:45:21,813 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 17:45:21,827 INFO L192 MainTranslator]: Completed translation [2019-09-03 17:45:21,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 05:45:21 WrapperNode [2019-09-03 17:45:21,828 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-03 17:45:21,828 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-03 17:45:21,829 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-03 17:45:21,829 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-03 17:45:21,925 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 05:45:21" (1/1) ... [2019-09-03 17:45:21,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 05:45:21" (1/1) ... [2019-09-03 17:45:21,933 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 05:45:21" (1/1) ... [2019-09-03 17:45:21,935 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 05:45:21" (1/1) ... [2019-09-03 17:45:21,940 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 05:45:21" (1/1) ... [2019-09-03 17:45:21,946 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 05:45:21" (1/1) ... [2019-09-03 17:45:21,952 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 05:45:21" (1/1) ... [2019-09-03 17:45:21,959 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-03 17:45:21,960 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-03 17:45:21,960 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-03 17:45:21,960 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-03 17:45:21,961 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 05:45:21" (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 [2019-09-03 17:45:22,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-03 17:45:22,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-03 17:45:22,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-03 17:45:22,017 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-03 17:45:22,017 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-03 17:45:22,017 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-03 17:45:22,017 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-03 17:45:22,018 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-03 17:45:22,018 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-03 17:45:22,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-03 17:45:22,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-03 17:45:22,212 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-03 17:45:22,212 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-03 17:45:22,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 05:45:22 BoogieIcfgContainer [2019-09-03 17:45:22,214 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-03 17:45:22,214 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-03 17:45:22,214 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-03 17:45:22,214 INFO L275 PluginConnector]: Sifa initialized [2019-09-03 17:45:22,216 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 05:45:22" (1/1) ... [2019-09-03 17:45:22,216 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 [2019-09-03 17:45:22,251 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-03 17:45:22,251 INFO L169 IcfgInterpreter]: Building call graph [2019-09-03 17:45:22,258 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-03 17:45:22,270 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-03 17:45:22,272 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-03 17:45:22,343 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-03 17:45:22,720 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-03 17:45:22,722 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-03 17:45:22,722 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-03 17:45:22,724 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 108#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) [2019-09-03 17:45:22,738 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-03 17:45:22,738 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-03 17:45:22,740 INFO L168 Benchmark]: Toolchain (without parser) took 1234.12 ms. Allocated memory was 134.7 MB in the beginning and 200.3 MB in the end (delta: 65.5 MB). Free memory was 91.0 MB in the beginning and 141.3 MB in the end (delta: -50.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 7.1 GB. [2019-09-03 17:45:22,741 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 134.7 MB. Free memory was 109.0 MB in the beginning and 108.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-03 17:45:22,742 INFO L168 Benchmark]: CACSL2BoogieTranslator took 321.43 ms. Allocated memory is still 134.7 MB. Free memory was 90.8 MB in the beginning and 81.6 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-09-03 17:45:22,743 INFO L168 Benchmark]: Boogie Preprocessor took 130.95 ms. Allocated memory was 134.7 MB in the beginning and 200.3 MB in the end (delta: 65.5 MB). Free memory was 81.6 MB in the beginning and 176.9 MB in the end (delta: -95.4 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-09-03 17:45:22,744 INFO L168 Benchmark]: RCFGBuilder took 253.92 ms. Allocated memory is still 200.3 MB. Free memory was 176.9 MB in the beginning and 164.3 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. [2019-09-03 17:45:22,745 INFO L168 Benchmark]: Sifa took 524.16 ms. Allocated memory is still 200.3 MB. Free memory was 164.3 MB in the beginning and 141.3 MB in the end (delta: 23.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. [2019-09-03 17:45:22,748 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 134.7 MB. Free memory was 109.0 MB in the beginning and 108.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 321.43 ms. Allocated memory is still 134.7 MB. Free memory was 90.8 MB in the beginning and 81.6 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 130.95 ms. Allocated memory was 134.7 MB in the beginning and 200.3 MB in the end (delta: 65.5 MB). Free memory was 81.6 MB in the beginning and 176.9 MB in the end (delta: -95.4 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 253.92 ms. Allocated memory is still 200.3 MB. Free memory was 176.9 MB in the beginning and 164.3 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. * Sifa took 524.16 ms. Allocated memory is still 200.3 MB. Free memory was 164.3 MB in the beginning and 141.3 MB in the end (delta: 23.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions 0.5s OVERALL_TIME, 3 ICFG_INTERPRETER_ENTERED_PROCEDURES, 70 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 0 DAG_INTERPRETER_EARLY_EXITS, 54 TOOLS_POST_APPLICATIONS, 0.1s TOOLS_POST_TIME, 11 TOOLS_POST_CALL_APPLICATIONS, 0.1s TOOLS_POST_CALL_TIME, 9 TOOLS_POST_RETURN_APPLICATIONS, 0.0s TOOLS_POST_RETURN_TIME, 0.2s TOOLS_QUANTIFIERELIM_TIME, 0.0s FLUID_QUERY_TIME, 77 FLUID_QUERIES, 0 FLUID_YES_ANSWERS, 23 DOMAIN_JOIN_APPLICATIONS, 0.1s DOMAIN_JOIN_TIME, 0 DOMAIN_ALPHA_APPLICATIONS, 0.0s DOMAIN_ALPHA_TIME, 3 DOMAIN_WIDEN_APPLICATIONS, 0.0s DOMAIN_WIDEN_TIME, 20 DOMAIN_ISSUBSETEQ_APPLICATIONS, 0.1s DOMAIN_ISSUBSETEQ_TIME, 11 DOMAIN_ISBOTTOM_APPLICATIONS, 0.0s DOMAIN_ISBOTTOM_TIME, 4 LOOP_SUMMARIZER_APPLICATIONS, 4 LOOP_SUMMARIZER_CACHE_MISSES, 0.3s LOOP_SUMMARIZER_OVERALL_TIME, 0.3s LOOP_SUMMARIZER_NEW_COMPUTATION_TIME, 7 LOOP_SUMMARIZER_FIXPOINT_ITERATIONS, 9 CALL_SUMMARIZER_APPLICATIONS, 0 CALL_SUMMARIZER_CACHE_MISSES, 0.1s CALL_SUMMARIZER_OVERALL_TIME, 0.0s CALL_SUMMARIZER_NEW_COMPUTATION_TIME, 0.0s PROCEDURE_GRAPH_BUILDER_TIME, 0.0s PATH_EXPR_TIME, 0.0s REGEX_TO_DAG_TIME, 0.0s DAG_COMPRESSION_TIME, 152 DAG_COMPRESSION_PROCESSED_NODES, 72 DAG_COMPRESSION_RETAINED_NODES - UnprovableResult [Line: 5]: 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 108#(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...