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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/reducercommutativity/avg10-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 07:01:24,866 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 07:01:24,869 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 07:01:24,888 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 07:01:24,888 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 07:01:24,890 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 07:01:24,892 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 07:01:24,904 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 07:01:24,906 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 07:01:24,907 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 07:01:24,908 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 07:01:24,909 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 07:01:24,909 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 07:01:24,910 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 07:01:24,912 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 07:01:24,913 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 07:01:24,914 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 07:01:24,914 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 07:01:24,916 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 07:01:24,918 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 07:01:24,919 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 07:01:24,920 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 07:01:24,921 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 07:01:24,922 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 07:01:24,927 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 07:01:24,927 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 07:01:24,927 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 07:01:24,928 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 07:01:24,929 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 07:01:24,931 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 07:01:24,931 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 07:01:24,932 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 07:01:24,933 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 07:01:24,934 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 07:01:24,935 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 07:01:24,935 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 07:01:24,936 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 07:01:24,936 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 07:01:24,936 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 07:01:24,940 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 07:01:24,941 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 07:01:24,942 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 [2019-10-15 07:01:24,967 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 07:01:24,967 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 07:01:24,969 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 07:01:24,970 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 07:01:24,970 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 07:01:24,970 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 07:01:24,970 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 07:01:24,971 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 07:01:24,971 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 07:01:24,971 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 07:01:24,972 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 07:01:24,972 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 07:01:24,973 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 07:01:24,973 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 07:01:24,973 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 07:01:24,973 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 07:01:24,973 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 07:01:24,974 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 07:01:24,974 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 07:01:24,974 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 07:01:24,974 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 07:01:24,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 07:01:24,975 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 07:01:24,975 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 07:01:24,975 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 07:01:24,975 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 07:01:24,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 07:01:24,976 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 07:01:24,976 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 07:01:25,297 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 07:01:25,317 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 07:01:25,321 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 07:01:25,323 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 07:01:25,323 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 07:01:25,324 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/avg10-2.i [2019-10-15 07:01:25,398 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b488423f/389e89973e554488a69e29c2a75a09d1/FLAGa517e69ef [2019-10-15 07:01:25,877 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 07:01:25,878 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/reducercommutativity/avg10-2.i [2019-10-15 07:01:25,886 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b488423f/389e89973e554488a69e29c2a75a09d1/FLAGa517e69ef [2019-10-15 07:01:26,277 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b488423f/389e89973e554488a69e29c2a75a09d1 [2019-10-15 07:01:26,289 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 07:01:26,291 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 07:01:26,293 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 07:01:26,293 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 07:01:26,297 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 07:01:26,298 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:01:26" (1/1) ... [2019-10-15 07:01:26,301 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e0195cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:01:26, skipping insertion in model container [2019-10-15 07:01:26,301 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:01:26" (1/1) ... [2019-10-15 07:01:26,310 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 07:01:26,325 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 07:01:26,543 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 07:01:26,552 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 07:01:26,573 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 07:01:26,596 INFO L192 MainTranslator]: Completed translation [2019-10-15 07:01:26,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:01:26 WrapperNode [2019-10-15 07:01:26,596 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 07:01:26,597 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 07:01:26,597 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 07:01:26,597 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 07:01:26,700 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:01:26" (1/1) ... [2019-10-15 07:01:26,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:01:26" (1/1) ... [2019-10-15 07:01:26,709 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:01:26" (1/1) ... [2019-10-15 07:01:26,710 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:01:26" (1/1) ... [2019-10-15 07:01:26,719 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:01:26" (1/1) ... [2019-10-15 07:01:26,725 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:01:26" (1/1) ... [2019-10-15 07:01:26,727 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:01:26" (1/1) ... [2019-10-15 07:01:26,729 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 07:01:26,730 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 07:01:26,730 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 07:01:26,730 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 07:01:26,731 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:01:26" (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 [2019-10-15 07:01:26,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 07:01:26,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 07:01:26,798 INFO L138 BoogieDeclarations]: Found implementation of procedure avg [2019-10-15 07:01:26,798 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 07:01:26,798 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 07:01:26,798 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 07:01:26,798 INFO L130 BoogieDeclarations]: Found specification of procedure avg [2019-10-15 07:01:26,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 07:01:26,799 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 07:01:26,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 07:01:26,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 07:01:26,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 07:01:26,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 07:01:26,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 07:01:27,200 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 07:01:27,201 INFO L284 CfgBuilder]: Removed 3 assume(true) statements. [2019-10-15 07:01:27,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:01:27 BoogieIcfgContainer [2019-10-15 07:01:27,202 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 07:01:27,203 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-15 07:01:27,203 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-15 07:01:27,204 INFO L275 PluginConnector]: Sifa initialized [2019-10-15 07:01:27,205 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:01:27" (1/1) ... [2019-10-15 07:01:27,206 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-10-15 07:01:27,238 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-15 07:01:27,238 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 07:01:27,245 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 07:01:27,253 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 07:01:27,254 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 07:01:27,447 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 21 for LOIs [2019-10-15 07:01:28,782 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-15 07:01:28,807 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-15 07:01:28,807 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-15 07:01:28,809 INFO L168 Benchmark]: Toolchain (without parser) took 2518.32 ms. Allocated memory was 136.3 MB in the beginning and 229.6 MB in the end (delta: 93.3 MB). Free memory was 101.2 MB in the beginning and 172.2 MB in the end (delta: -70.9 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. [2019-10-15 07:01:28,810 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 136.3 MB. Free memory was 119.6 MB in the beginning and 119.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-15 07:01:28,812 INFO L168 Benchmark]: CACSL2BoogieTranslator took 303.78 ms. Allocated memory is still 136.3 MB. Free memory was 101.0 MB in the beginning and 90.7 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2019-10-15 07:01:28,817 INFO L168 Benchmark]: Boogie Preprocessor took 132.44 ms. Allocated memory was 136.3 MB in the beginning and 200.3 MB in the end (delta: 64.0 MB). Free memory was 90.7 MB in the beginning and 177.5 MB in the end (delta: -86.8 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. [2019-10-15 07:01:28,820 INFO L168 Benchmark]: RCFGBuilder took 472.73 ms. Allocated memory is still 200.3 MB. Free memory was 177.5 MB in the beginning and 157.7 MB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. [2019-10-15 07:01:28,821 INFO L168 Benchmark]: Sifa took 1604.69 ms. Allocated memory was 200.3 MB in the beginning and 229.6 MB in the end (delta: 29.4 MB). Free memory was 157.7 MB in the beginning and 172.2 MB in the end (delta: -14.4 MB). Peak memory consumption was 14.9 MB. Max. memory is 7.1 GB. [2019-10-15 07:01:28,824 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 136.3 MB. Free memory was 119.6 MB in the beginning and 119.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 303.78 ms. Allocated memory is still 136.3 MB. Free memory was 101.0 MB in the beginning and 90.7 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 132.44 ms. Allocated memory was 136.3 MB in the beginning and 200.3 MB in the end (delta: 64.0 MB). Free memory was 90.7 MB in the beginning and 177.5 MB in the end (delta: -86.8 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 472.73 ms. Allocated memory is still 200.3 MB. Free memory was 177.5 MB in the beginning and 157.7 MB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. * Sifa took 1604.69 ms. Allocated memory was 200.3 MB in the beginning and 229.6 MB in the end (delta: 29.4 MB). Free memory was 157.7 MB in the beginning and 172.2 MB in the end (delta: -14.4 MB). Peak memory consumption was 14.9 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]: 1545, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 28, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 20, TOOLS_POST_TIME[ms]: 1057, TOOLS_POST_CALL_APPLICATIONS: 5, TOOLS_POST_CALL_TIME[ms]: 25, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 63, TOOLS_QUANTIFIERELIM_APPLICATIONS: 29, TOOLS_QUANTIFIERELIM_TIME[ms]: 1110, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 525, FLUID_QUERY_TIME[ms]: 7, FLUID_QUERIES: 37, FLUID_YES_ANSWERS: 2, DOMAIN_JOIN_APPLICATIONS: 12, DOMAIN_JOIN_TIME[ms]: 127, DOMAIN_ALPHA_APPLICATIONS: 2, DOMAIN_ALPHA_TIME[ms]: 8, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME[ms]: 146, DOMAIN_ISSUBSETEQ_APPLICATIONS: 9, DOMAIN_ISSUBSETEQ_TIME[ms]: 47, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1144, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1143, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 9, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 280, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 280, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 13, DAG_COMPRESSION_PROCESSED_NODES: 72, DAG_COMPRESSION_RETAINED_NODES: 35 - UnprovableResult [Line: 39]: 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 118#(or (and (not (= main_~ret~1 main_~ret2~0)) (exists ((v_prenex_16 Int) (v_prenex_15 Int) (v_prenex_17 Int) (v_prenex_14 Int) (v_prenex_13 Int) (v_avg_~ret~0_BEFORE_RETURN_3 Int)) (or (and (< v_prenex_14 0) (not (= 0 (mod v_prenex_14 10))) (= main_~ret5~0 (mod (+ (div v_prenex_14 10) 1) 4294967296)) (<= (mod (+ (div v_prenex_14 10) 1) 4294967296) 2147483647) (not (< main_~i~2 9)) (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (= (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 36)) main_~temp~0)) (and (<= (mod (div v_prenex_13 10) 4294967296) 2147483647) (not (< main_~i~2 9)) (<= main_~ret5~0 2147483647) (not (< v_prenex_13 0)) (<= 0 (+ main_~ret5~0 2147483648)) (= (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 36)) main_~temp~0) (= main_~ret5~0 (mod (div v_prenex_13 10) 4294967296))) (and (= main_~ret5~0 (+ (mod (div v_prenex_17 10) 4294967296) (- 4294967296))) (not (<= (mod (div v_prenex_17 10) 4294967296) 2147483647)) (not (< main_~i~2 9)) (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (not (< v_prenex_17 0)) (= (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 36)) main_~temp~0)) (and (= main_~ret5~0 (mod (div v_prenex_16 10) 4294967296)) (= 0 (mod v_prenex_16 10)) (not (< main_~i~2 9)) (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (= (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 36)) main_~temp~0) (<= (mod (div v_prenex_16 10) 4294967296) 2147483647)) (and (not (< main_~i~2 9)) (not (<= (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_3 10) 1) 4294967296) 2147483647)) (<= main_~ret5~0 2147483647) (not (= 0 (mod v_avg_~ret~0_BEFORE_RETURN_3 10))) (= main_~ret5~0 (+ (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_3 10) 1) 4294967296) (- 4294967296))) (<= 0 (+ main_~ret5~0 2147483648)) (= (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 36)) main_~temp~0) (< v_avg_~ret~0_BEFORE_RETURN_3 0)) (and (= 0 (mod v_prenex_15 10)) (= main_~ret5~0 (+ (mod (div v_prenex_15 10) 4294967296) (- 4294967296))) (not (< main_~i~2 9)) (not (<= (mod (div v_prenex_15 10) 4294967296) 2147483647)) (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (= (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 36)) main_~temp~0))))) (and (exists ((v_prenex_16 Int) (v_prenex_15 Int) (v_prenex_17 Int) (v_prenex_14 Int) (v_prenex_13 Int) (v_avg_~ret~0_BEFORE_RETURN_3 Int)) (or (and (< v_prenex_14 0) (not (= 0 (mod v_prenex_14 10))) (= main_~ret5~0 (mod (+ (div v_prenex_14 10) 1) 4294967296)) (<= (mod (+ (div v_prenex_14 10) 1) 4294967296) 2147483647) (not (< main_~i~2 9)) (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (= (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 36)) main_~temp~0)) (and (<= (mod (div v_prenex_13 10) 4294967296) 2147483647) (not (< main_~i~2 9)) (<= main_~ret5~0 2147483647) (not (< v_prenex_13 0)) (<= 0 (+ main_~ret5~0 2147483648)) (= (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 36)) main_~temp~0) (= main_~ret5~0 (mod (div v_prenex_13 10) 4294967296))) (and (= main_~ret5~0 (+ (mod (div v_prenex_17 10) 4294967296) (- 4294967296))) (not (<= (mod (div v_prenex_17 10) 4294967296) 2147483647)) (not (< main_~i~2 9)) (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (not (< v_prenex_17 0)) (= (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 36)) main_~temp~0)) (and (= main_~ret5~0 (mod (div v_prenex_16 10) 4294967296)) (= 0 (mod v_prenex_16 10)) (not (< main_~i~2 9)) (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (= (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 36)) main_~temp~0) (<= (mod (div v_prenex_16 10) 4294967296) 2147483647)) (and (not (< main_~i~2 9)) (not (<= (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_3 10) 1) 4294967296) 2147483647)) (<= main_~ret5~0 2147483647) (not (= 0 (mod v_avg_~ret~0_BEFORE_RETURN_3 10))) (= main_~ret5~0 (+ (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_3 10) 1) 4294967296) (- 4294967296))) (<= 0 (+ main_~ret5~0 2147483648)) (= (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 36)) main_~temp~0) (< v_avg_~ret~0_BEFORE_RETURN_3 0)) (and (= 0 (mod v_prenex_15 10)) (= main_~ret5~0 (+ (mod (div v_prenex_15 10) 4294967296) (- 4294967296))) (not (< main_~i~2 9)) (not (<= (mod (div v_prenex_15 10) 4294967296) 2147483647)) (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (= (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 36)) main_~temp~0)))) (not (= main_~ret~1 main_~ret5~0)))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...