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-acceleration/array_2-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 09:06:29,887 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 09:06:29,889 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 09:06:29,902 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 09:06:29,902 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 09:06:29,903 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 09:06:29,905 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 09:06:29,907 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 09:06:29,909 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 09:06:29,910 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 09:06:29,911 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 09:06:29,912 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 09:06:29,912 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 09:06:29,913 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 09:06:29,914 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 09:06:29,915 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 09:06:29,916 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 09:06:29,917 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 09:06:29,919 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 09:06:29,921 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 09:06:29,923 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 09:06:29,926 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 09:06:29,929 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 09:06:29,930 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 09:06:29,934 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 09:06:29,934 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 09:06:29,934 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 09:06:29,937 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 09:06:29,938 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 09:06:29,940 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 09:06:29,940 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 09:06:29,943 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 09:06:29,944 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 09:06:29,945 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 09:06:29,949 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 09:06:29,949 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 09:06:29,950 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 09:06:29,950 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 09:06:29,951 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 09:06:29,953 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 09:06:29,954 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 09:06:29,955 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 09:06:29,979 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 09:06:29,979 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 09:06:29,982 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 09:06:29,982 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 09:06:29,982 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 09:06:29,983 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 09:06:29,983 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 09:06:29,983 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 09:06:29,983 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 09:06:29,983 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 09:06:29,984 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 09:06:29,985 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 09:06:29,985 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 09:06:29,985 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 09:06:29,986 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 09:06:29,986 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 09:06:29,986 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 09:06:29,986 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 09:06:29,987 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 09:06:29,987 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 09:06:29,987 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 09:06:29,987 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 09:06:29,987 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 09:06:29,988 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 09:06:29,988 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 09:06:29,988 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 09:06:29,988 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 09:06:29,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 09:06:29,989 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 09:06:30,050 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 09:06:30,067 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 09:06:30,073 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 09:06:30,075 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 09:06:30,076 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 09:06:30,077 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/array_2-2.i [2019-09-06 09:06:30,154 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1d50f8dc/d46011288e41468dbf982715f191fbc9/FLAG8c02c06b8 [2019-09-06 09:06:30,620 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 09:06:30,622 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/array_2-2.i [2019-09-06 09:06:30,629 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1d50f8dc/d46011288e41468dbf982715f191fbc9/FLAG8c02c06b8 [2019-09-06 09:06:30,973 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1d50f8dc/d46011288e41468dbf982715f191fbc9 [2019-09-06 09:06:30,985 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 09:06:30,986 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 09:06:30,987 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 09:06:30,988 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 09:06:30,991 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 09:06:30,991 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 09:06:30" (1/1) ... [2019-09-06 09:06:30,994 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50e46206 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:06:30, skipping insertion in model container [2019-09-06 09:06:30,994 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 09:06:30" (1/1) ... [2019-09-06 09:06:31,001 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 09:06:31,015 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 09:06:31,209 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 09:06:31,212 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 09:06:31,234 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 09:06:31,253 INFO L192 MainTranslator]: Completed translation [2019-09-06 09:06:31,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:06:31 WrapperNode [2019-09-06 09:06:31,254 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 09:06:31,255 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 09:06:31,255 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 09:06:31,255 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 09:06:31,360 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:06:31" (1/1) ... [2019-09-06 09:06:31,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:06:31" (1/1) ... [2019-09-06 09:06:31,371 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:06:31" (1/1) ... [2019-09-06 09:06:31,373 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:06:31" (1/1) ... [2019-09-06 09:06:31,387 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:06:31" (1/1) ... [2019-09-06 09:06:31,392 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:06:31" (1/1) ... [2019-09-06 09:06:31,397 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:06:31" (1/1) ... [2019-09-06 09:06:31,400 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 09:06:31,401 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 09:06:31,401 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 09:06:31,401 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 09:06:31,402 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:06:31" (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 09:06:31,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 09:06:31,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 09:06:31,451 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-06 09:06:31,451 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 09:06:31,451 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 09:06:31,451 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-06 09:06:31,451 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 09:06:31,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-06 09:06:31,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-06 09:06:31,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-06 09:06:31,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-06 09:06:31,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 09:06:31,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 09:06:31,661 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 09:06:31,661 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-06 09:06:31,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 09:06:31 BoogieIcfgContainer [2019-09-06 09:06:31,663 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 09:06:31,663 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 09:06:31,664 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 09:06:31,664 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 09:06:31,665 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 09:06:31" (1/1) ... [2019-09-06 09:06:31,666 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 09:06:31,731 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 09:06:31,731 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 09:06:31,742 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 09:06:31,772 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 09:06:31,776 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 09:06:31,860 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 17 for LOIs [2019-09-06 09:06:32,037 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 33 for LOIs [2019-09-06 09:06:32,043 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 09:06:32,043 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 09:06:32,046 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 25#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) [2019-09-06 09:06:32,058 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 09:06:32,058 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 09:06:32,061 INFO L168 Benchmark]: Toolchain (without parser) took 1073.74 ms. Allocated memory was 132.1 MB in the beginning and 199.8 MB in the end (delta: 67.6 MB). Free memory was 88.2 MB in the beginning and 148.1 MB in the end (delta: -59.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 7.1 GB. [2019-09-06 09:06:32,062 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 132.1 MB. Free memory was 106.5 MB in the beginning and 106.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-06 09:06:32,063 INFO L168 Benchmark]: CACSL2BoogieTranslator took 267.11 ms. Allocated memory is still 132.1 MB. Free memory was 88.0 MB in the beginning and 78.4 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-09-06 09:06:32,064 INFO L168 Benchmark]: Boogie Preprocessor took 145.89 ms. Allocated memory was 132.1 MB in the beginning and 199.8 MB in the end (delta: 67.6 MB). Free memory was 78.4 MB in the beginning and 175.6 MB in the end (delta: -97.2 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. [2019-09-06 09:06:32,065 INFO L168 Benchmark]: RCFGBuilder took 261.93 ms. Allocated memory is still 199.8 MB. Free memory was 175.6 MB in the beginning and 162.3 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. [2019-09-06 09:06:32,066 INFO L168 Benchmark]: Sifa took 395.17 ms. Allocated memory is still 199.8 MB. Free memory was 162.3 MB in the beginning and 148.1 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. [2019-09-06 09:06:32,070 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 132.1 MB. Free memory was 106.5 MB in the beginning and 106.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 267.11 ms. Allocated memory is still 132.1 MB. Free memory was 88.0 MB in the beginning and 78.4 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 145.89 ms. Allocated memory was 132.1 MB in the beginning and 199.8 MB in the end (delta: 67.6 MB). Free memory was 78.4 MB in the beginning and 175.6 MB in the end (delta: -97.2 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 261.93 ms. Allocated memory is still 199.8 MB. Free memory was 175.6 MB in the beginning and 162.3 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. * Sifa took 395.17 ms. Allocated memory is still 199.8 MB. Free memory was 162.3 MB in the beginning and 148.1 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 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]: 315, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 17, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 13, TOOLS_POST_TIME[ms]: 123, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 46, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 2, TOOLS_QUANTIFIERELIM_TIME[ms]: 156, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 19, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 5, DOMAIN_JOIN_TIME[ms]: 23, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 5, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 6, DOMAIN_ISBOTTOM_APPLICATIONS: 1, DOMAIN_ISBOTTOM_TIME[ms]: 2, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 137, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 137, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 22, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 14, DAG_COMPRESSION_PROCESSED_NODES: 53, DAG_COMPRESSION_RETAINED_NODES: 34 - UnprovableResult [Line: 4]: 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 25#(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...