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-lit/jm2006_variant.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 09:07:56,164 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 09:07:56,166 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 09:07:56,177 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 09:07:56,178 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 09:07:56,179 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 09:07:56,180 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 09:07:56,182 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 09:07:56,183 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 09:07:56,184 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 09:07:56,185 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 09:07:56,186 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 09:07:56,186 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 09:07:56,187 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 09:07:56,188 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 09:07:56,189 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 09:07:56,190 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 09:07:56,191 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 09:07:56,193 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 09:07:56,195 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 09:07:56,196 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 09:07:56,197 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 09:07:56,202 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 09:07:56,203 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 09:07:56,207 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-06 09:07:56,212 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 09:07:56,213 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 09:07:56,214 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 09:07:56,215 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 09:07:56,217 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 09:07:56,217 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 09:07:56,218 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 09:07:56,219 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 09:07:56,219 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 09:07:56,220 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 09:07:56,221 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 09:07:56,222 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 09:07:56,252 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 09:07:56,252 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 09:07:56,254 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 09:07:56,255 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 09:07:56,255 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 09:07:56,255 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 09:07:56,256 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 09:07:56,256 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 09:07:56,256 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 09:07:56,256 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 09:07:56,257 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 09:07:56,258 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 09:07:56,258 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 09:07:56,258 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 09:07:56,258 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 09:07:56,259 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 09:07:56,259 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 09:07:56,261 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 09:07:56,261 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 09:07:56,261 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 09:07:56,262 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 09:07:56,262 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 09:07:56,263 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 09:07:56,263 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 09:07:56,264 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 09:07:56,264 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 09:07:56,264 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 09:07:56,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 09:07:56,266 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 09:07:56,304 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 09:07:56,315 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 09:07:56,321 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 09:07:56,322 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 09:07:56,322 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 09:07:56,323 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/jm2006_variant.i [2019-09-06 09:07:56,383 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4fc71396/61d56f294558486798285d4562ac250e/FLAG9fd43108a [2019-09-06 09:07:56,782 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 09:07:56,782 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/jm2006_variant.i [2019-09-06 09:07:56,789 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4fc71396/61d56f294558486798285d4562ac250e/FLAG9fd43108a [2019-09-06 09:07:56,807 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4fc71396/61d56f294558486798285d4562ac250e [2019-09-06 09:07:56,819 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 09:07:56,821 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 09:07:56,822 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 09:07:56,822 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 09:07:56,826 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 09:07:56,827 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 09:07:56" (1/1) ... [2019-09-06 09:07:56,830 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c69540a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:07:56, skipping insertion in model container [2019-09-06 09:07:56,831 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 09:07:56" (1/1) ... [2019-09-06 09:07:56,839 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 09:07:56,858 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 09:07:57,050 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 09:07:57,054 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 09:07:57,075 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 09:07:57,087 INFO L192 MainTranslator]: Completed translation [2019-09-06 09:07:57,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:07:57 WrapperNode [2019-09-06 09:07:57,088 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 09:07:57,089 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 09:07:57,089 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 09:07:57,089 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 09:07:57,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:07:57" (1/1) ... [2019-09-06 09:07:57,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:07:57" (1/1) ... [2019-09-06 09:07:57,194 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:07:57" (1/1) ... [2019-09-06 09:07:57,194 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:07:57" (1/1) ... [2019-09-06 09:07:57,198 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:07:57" (1/1) ... [2019-09-06 09:07:57,203 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:07:57" (1/1) ... [2019-09-06 09:07:57,204 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:07:57" (1/1) ... [2019-09-06 09:07:57,206 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 09:07:57,206 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 09:07:57,206 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 09:07:57,206 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 09:07:57,207 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:07:57" (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 09:07:57,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 09:07:57,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 09:07:57,270 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-06 09:07:57,271 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 09:07:57,271 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 09:07:57,271 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-06 09:07:57,271 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-06 09:07:57,271 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-06 09:07:57,271 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 09:07:57,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 09:07:57,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 09:07:57,549 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 09:07:57,550 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-06 09:07:57,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 09:07:57 BoogieIcfgContainer [2019-09-06 09:07:57,551 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 09:07:57,552 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 09:07:57,552 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 09:07:57,552 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 09:07:57,554 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 09:07:57" (1/1) ... [2019-09-06 09:07:57,555 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 09:07:57,582 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 09:07:57,583 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 09:07:57,605 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 09:07:57,625 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 09:07:57,628 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 09:07:57,715 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-06 09:07:57,841 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-06 09:07:57,846 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 09:07:57,846 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 09:07:57,848 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 24#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) [2019-09-06 09:07:57,866 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 09:07:57,866 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 09:07:57,870 INFO L168 Benchmark]: Toolchain (without parser) took 1047.81 ms. Allocated memory was 143.7 MB in the beginning and 202.4 MB in the end (delta: 58.7 MB). Free memory was 91.9 MB in the beginning and 159.1 MB in the end (delta: -67.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-06 09:07:57,871 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 143.7 MB. Free memory was 109.6 MB in the beginning and 109.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-06 09:07:57,872 INFO L168 Benchmark]: CACSL2BoogieTranslator took 266.40 ms. Allocated memory is still 143.7 MB. Free memory was 91.4 MB in the beginning and 82.3 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-09-06 09:07:57,873 INFO L168 Benchmark]: Boogie Preprocessor took 117.02 ms. Allocated memory was 143.7 MB in the beginning and 202.4 MB in the end (delta: 58.7 MB). Free memory was 82.3 MB in the beginning and 180.4 MB in the end (delta: -98.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-09-06 09:07:57,873 INFO L168 Benchmark]: RCFGBuilder took 345.27 ms. Allocated memory is still 202.4 MB. Free memory was 179.9 MB in the beginning and 167.9 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. [2019-09-06 09:07:57,874 INFO L168 Benchmark]: Sifa took 314.77 ms. Allocated memory is still 202.4 MB. Free memory was 167.9 MB in the beginning and 159.1 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 7.1 GB. [2019-09-06 09:07:57,878 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 143.7 MB. Free memory was 109.6 MB in the beginning and 109.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 266.40 ms. Allocated memory is still 143.7 MB. Free memory was 91.4 MB in the beginning and 82.3 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.02 ms. Allocated memory was 143.7 MB in the beginning and 202.4 MB in the end (delta: 58.7 MB). Free memory was 82.3 MB in the beginning and 180.4 MB in the end (delta: -98.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 345.27 ms. Allocated memory is still 202.4 MB. Free memory was 179.9 MB in the beginning and 167.9 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. * Sifa took 314.77 ms. Allocated memory is still 202.4 MB. Free memory was 167.9 MB in the beginning and 159.1 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 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]: 266, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 16, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 12, TOOLS_POST_TIME[ms]: 42, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 21, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 1, TOOLS_QUANTIFIERELIM_TIME[ms]: 45, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 18, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 5, DOMAIN_JOIN_TIME[ms]: 34, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 7, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 17, DOMAIN_ISBOTTOM_APPLICATIONS: 1, DOMAIN_ISBOTTOM_TIME[ms]: 2, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 68, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 64, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 26, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 34, DAG_COMPRESSION_PROCESSED_NODES: 72, DAG_COMPRESSION_RETAINED_NODES: 37 - 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 24#(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...