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/nla-digbench/mannadiv.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 09:09:15,198 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 09:09:15,200 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 09:09:15,211 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 09:09:15,212 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 09:09:15,213 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 09:09:15,214 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 09:09:15,216 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 09:09:15,218 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 09:09:15,219 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 09:09:15,220 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 09:09:15,221 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 09:09:15,221 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 09:09:15,222 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 09:09:15,223 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 09:09:15,224 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 09:09:15,225 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 09:09:15,226 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 09:09:15,227 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 09:09:15,229 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 09:09:15,231 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 09:09:15,232 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 09:09:15,233 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 09:09:15,234 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 09:09:15,236 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-06 09:09:15,239 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 09:09:15,239 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 09:09:15,240 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 09:09:15,241 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 09:09:15,242 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 09:09:15,242 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 09:09:15,243 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 09:09:15,243 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 09:09:15,243 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 09:09:15,244 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 09:09:15,245 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 09:09:15,246 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 09:09:15,260 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 09:09:15,260 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 09:09:15,261 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 09:09:15,261 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 09:09:15,262 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 09:09:15,262 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 09:09:15,262 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 09:09:15,262 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 09:09:15,262 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 09:09:15,263 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 09:09:15,263 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 09:09:15,263 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 09:09:15,263 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 09:09:15,263 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 09:09:15,264 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 09:09:15,264 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 09:09:15,264 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 09:09:15,264 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 09:09:15,264 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 09:09:15,265 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 09:09:15,265 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 09:09:15,265 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 09:09:15,265 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 09:09:15,266 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 09:09:15,266 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 09:09:15,266 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 09:09:15,266 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 09:09:15,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 09:09:15,267 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 09:09:15,299 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 09:09:15,312 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 09:09:15,317 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 09:09:15,319 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 09:09:15,319 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 09:09:15,320 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/mannadiv.c [2019-09-06 09:09:15,402 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e48c03fe6/333274fb1819425bb0b28f1daa0607ea/FLAGc00bb69f6 [2019-09-06 09:09:15,842 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 09:09:15,843 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/mannadiv.c [2019-09-06 09:09:15,851 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e48c03fe6/333274fb1819425bb0b28f1daa0607ea/FLAGc00bb69f6 [2019-09-06 09:09:16,206 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e48c03fe6/333274fb1819425bb0b28f1daa0607ea [2019-09-06 09:09:16,224 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 09:09:16,225 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 09:09:16,227 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 09:09:16,227 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 09:09:16,231 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 09:09:16,232 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 09:09:16" (1/1) ... [2019-09-06 09:09:16,235 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a697fba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:09:16, skipping insertion in model container [2019-09-06 09:09:16,235 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 09:09:16" (1/1) ... [2019-09-06 09:09:16,242 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 09:09:16,262 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 09:09:16,434 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 09:09:16,439 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 09:09:16,458 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 09:09:16,472 INFO L192 MainTranslator]: Completed translation [2019-09-06 09:09:16,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:09:16 WrapperNode [2019-09-06 09:09:16,473 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 09:09:16,474 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 09:09:16,474 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 09:09:16,474 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 09:09:16,487 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:09:16" (1/1) ... [2019-09-06 09:09:16,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:09:16" (1/1) ... [2019-09-06 09:09:16,579 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:09:16" (1/1) ... [2019-09-06 09:09:16,579 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:09:16" (1/1) ... [2019-09-06 09:09:16,583 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:09:16" (1/1) ... [2019-09-06 09:09:16,588 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:09:16" (1/1) ... [2019-09-06 09:09:16,589 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:09:16" (1/1) ... [2019-09-06 09:09:16,590 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 09:09:16,591 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 09:09:16,591 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 09:09:16,591 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 09:09:16,592 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:09:16" (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 09:09:16,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 09:09:16,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 09:09:16,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-06 09:09:16,645 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 09:09:16,645 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 09:09:16,645 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-06 09:09:16,645 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-06 09:09:16,646 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-06 09:09:16,646 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 09:09:16,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 09:09:16,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 09:09:16,820 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 09:09:16,820 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-06 09:09:16,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 09:09:16 BoogieIcfgContainer [2019-09-06 09:09:16,822 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 09:09:16,822 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 09:09:16,822 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 09:09:16,823 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 09:09:16,824 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 09:09:16" (1/1) ... [2019-09-06 09:09:16,824 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 09:09:16,849 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 09:09:16,850 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 09:09:16,859 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 09:09:16,875 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 09:09:16,877 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 09:09:16,962 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-06 09:09:17,188 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-06 09:09:17,191 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 09:09:17,191 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 09:09:17,193 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 63#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) [2019-09-06 09:09:17,210 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 09:09:17,210 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 09:09:17,214 INFO L168 Benchmark]: Toolchain (without parser) took 986.65 ms. Allocated memory was 130.0 MB in the beginning and 196.1 MB in the end (delta: 66.1 MB). Free memory was 86.4 MB in the beginning and 144.3 MB in the end (delta: -57.9 MB). Peak memory consumption was 8.2 MB. Max. memory is 7.1 GB. [2019-09-06 09:09:17,216 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 130.0 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-06 09:09:17,218 INFO L168 Benchmark]: CACSL2BoogieTranslator took 246.25 ms. Allocated memory is still 130.0 MB. Free memory was 86.2 MB in the beginning and 76.4 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-09-06 09:09:17,220 INFO L168 Benchmark]: Boogie Preprocessor took 116.62 ms. Allocated memory was 130.0 MB in the beginning and 196.1 MB in the end (delta: 66.1 MB). Free memory was 76.4 MB in the beginning and 172.4 MB in the end (delta: -96.0 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. [2019-09-06 09:09:17,220 INFO L168 Benchmark]: RCFGBuilder took 231.31 ms. Allocated memory is still 196.1 MB. Free memory was 172.4 MB in the beginning and 161.4 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. [2019-09-06 09:09:17,221 INFO L168 Benchmark]: Sifa took 387.79 ms. Allocated memory is still 196.1 MB. Free memory was 161.4 MB in the beginning and 144.3 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 7.1 GB. [2019-09-06 09:09:17,230 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 130.0 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 246.25 ms. Allocated memory is still 130.0 MB. Free memory was 86.2 MB in the beginning and 76.4 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 116.62 ms. Allocated memory was 130.0 MB in the beginning and 196.1 MB in the end (delta: 66.1 MB). Free memory was 76.4 MB in the beginning and 172.4 MB in the end (delta: -96.0 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 231.31 ms. Allocated memory is still 196.1 MB. Free memory was 172.4 MB in the beginning and 161.4 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. * Sifa took 387.79 ms. Allocated memory is still 196.1 MB. Free memory was 161.4 MB in the beginning and 144.3 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 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]: 344, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 41, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 32, TOOLS_POST_TIME[ms]: 39, TOOLS_POST_CALL_APPLICATIONS: 7, TOOLS_POST_CALL_TIME[ms]: 88, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 15, TOOLS_QUANTIFIERELIM_TIME[ms]: 106, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 43, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 16, DOMAIN_JOIN_TIME[ms]: 39, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 5, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME[ms]: 15, DOMAIN_ISBOTTOM_APPLICATIONS: 9, DOMAIN_ISBOTTOM_TIME[ms]: 22, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 111, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 110, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 35, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 28, DAG_COMPRESSION_PROCESSED_NODES: 93, DAG_COMPRESSION_RETAINED_NODES: 47 - UnprovableResult [Line: 13]: 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 63#(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...