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 ExplicitValueDomain --rcfgbuilder.size.of.a.code.block SingleStatement --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/loop-lit/gsv2008.c.i.p+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 19:23:40,209 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 19:23:40,211 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 19:23:40,222 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 19:23:40,223 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 19:23:40,224 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 19:23:40,225 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 19:23:40,227 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 19:23:40,229 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 19:23:40,230 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 19:23:40,231 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 19:23:40,232 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 19:23:40,232 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 19:23:40,233 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 19:23:40,234 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 19:23:40,235 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 19:23:40,236 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 19:23:40,237 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 19:23:40,239 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 19:23:40,242 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 19:23:40,243 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 19:23:40,245 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 19:23:40,246 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 19:23:40,247 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 19:23:40,249 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 19:23:40,253 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 19:23:40,253 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 19:23:40,254 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 19:23:40,255 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 19:23:40,256 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 19:23:40,256 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 19:23:40,257 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 19:23:40,257 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 19:23:40,258 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 19:23:40,259 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 19:23:40,259 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 19:23:40,260 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 [2019-09-20 19:23:40,278 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 19:23:40,278 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 19:23:40,279 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 19:23:40,280 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 19:23:40,280 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 19:23:40,280 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 19:23:40,280 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 19:23:40,280 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 19:23:40,281 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 19:23:40,281 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 19:23:40,281 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 19:23:40,282 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 19:23:40,282 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 19:23:40,282 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 19:23:40,283 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 19:23:40,283 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 19:23:40,283 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 19:23:40,283 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 19:23:40,283 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 19:23:40,284 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 19:23:40,284 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 19:23:40,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 19:23:40,285 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 19:23:40,285 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 19:23:40,285 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 19:23:40,285 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 19:23:40,286 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 19:23:40,286 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 19:23:40,286 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement 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: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 19:23:40,324 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 19:23:40,337 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 19:23:40,340 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 19:23:40,342 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 19:23:40,342 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 19:23:40,343 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/gsv2008.c.i.p+cfa-reducer.c [2019-09-20 19:23:40,406 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62112de34/a17f5e3ed8044d4193952d15122e07f2/FLAG6674a8d18 [2019-09-20 19:23:40,913 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 19:23:40,914 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/gsv2008.c.i.p+cfa-reducer.c [2019-09-20 19:23:40,920 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62112de34/a17f5e3ed8044d4193952d15122e07f2/FLAG6674a8d18 [2019-09-20 19:23:41,270 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62112de34/a17f5e3ed8044d4193952d15122e07f2 [2019-09-20 19:23:41,280 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 19:23:41,282 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 19:23:41,283 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 19:23:41,283 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 19:23:41,287 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 19:23:41,288 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:23:41" (1/1) ... [2019-09-20 19:23:41,291 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e83c3da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:23:41, skipping insertion in model container [2019-09-20 19:23:41,291 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:23:41" (1/1) ... [2019-09-20 19:23:41,300 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 19:23:41,320 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 19:23:41,595 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:23:41,605 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 19:23:41,628 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:23:41,647 INFO L192 MainTranslator]: Completed translation [2019-09-20 19:23:41,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:23:41 WrapperNode [2019-09-20 19:23:41,648 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 19:23:41,649 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 19:23:41,649 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 19:23:41,649 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 19:23:41,775 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:23:41" (1/1) ... [2019-09-20 19:23:41,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:23:41" (1/1) ... [2019-09-20 19:23:41,783 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:23:41" (1/1) ... [2019-09-20 19:23:41,786 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:23:41" (1/1) ... [2019-09-20 19:23:41,791 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:23:41" (1/1) ... [2019-09-20 19:23:41,794 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:23:41" (1/1) ... [2019-09-20 19:23:41,795 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:23:41" (1/1) ... [2019-09-20 19:23:41,796 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 19:23:41,797 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 19:23:41,797 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 19:23:41,797 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 19:23:41,798 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:23:41" (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 [2019-09-20 19:23:41,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 19:23:41,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 19:23:41,870 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 19:23:41,870 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 19:23:41,870 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 19:23:41,871 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 19:23:41,871 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 19:23:41,871 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 19:23:41,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 19:23:41,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 19:23:42,054 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 19:23:42,054 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 19:23:42,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:23:42 BoogieIcfgContainer [2019-09-20 19:23:42,056 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 19:23:42,056 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 19:23:42,056 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 19:23:42,057 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 19:23:42,058 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:23:42" (1/1) ... [2019-09-20 19:23:42,058 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ 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=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 19:23:42,084 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 19:23:42,084 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 19:23:42,099 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 19:23:42,119 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 19:23:42,123 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 19:23:42,262 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 8 for LOIs [2019-09-20 19:23:42,828 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2019-09-20 19:23:42,891 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 19:23:42,891 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 19:23:42,896 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 52#(and (= main_~__tmp_1~0 (ite (< 0 main_~main__y~0) 1 0)) (= main_~__VERIFIER_assert__cond~0 0) (= main_~__tmp_1~0 main_~__VERIFIER_assert__cond~0) (not (< main_~main__x~0 0))) [2019-09-20 19:23:42,913 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 19:23:42,914 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 19:23:42,917 INFO L168 Benchmark]: Toolchain (without parser) took 1634.18 ms. Allocated memory was 136.8 MB in the beginning and 201.9 MB in the end (delta: 65.0 MB). Free memory was 87.6 MB in the beginning and 101.0 MB in the end (delta: -13.4 MB). Peak memory consumption was 51.6 MB. Max. memory is 7.1 GB. [2019-09-20 19:23:42,919 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 136.8 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-09-20 19:23:42,921 INFO L168 Benchmark]: CACSL2BoogieTranslator took 365.27 ms. Allocated memory is still 136.8 MB. Free memory was 87.4 MB in the beginning and 77.5 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-09-20 19:23:42,923 INFO L168 Benchmark]: Boogie Preprocessor took 147.72 ms. Allocated memory was 136.8 MB in the beginning and 201.9 MB in the end (delta: 65.0 MB). Free memory was 77.5 MB in the beginning and 179.9 MB in the end (delta: -102.4 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. [2019-09-20 19:23:42,924 INFO L168 Benchmark]: RCFGBuilder took 259.30 ms. Allocated memory is still 201.9 MB. Free memory was 179.9 MB in the beginning and 166.9 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 7.1 GB. [2019-09-20 19:23:42,926 INFO L168 Benchmark]: Sifa took 857.74 ms. Allocated memory is still 201.9 MB. Free memory was 166.9 MB in the beginning and 101.0 MB in the end (delta: 65.9 MB). Peak memory consumption was 65.9 MB. Max. memory is 7.1 GB. [2019-09-20 19:23:42,943 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 136.8 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 365.27 ms. Allocated memory is still 136.8 MB. Free memory was 87.4 MB in the beginning and 77.5 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 147.72 ms. Allocated memory was 136.8 MB in the beginning and 201.9 MB in the end (delta: 65.0 MB). Free memory was 77.5 MB in the beginning and 179.9 MB in the end (delta: -102.4 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 259.30 ms. Allocated memory is still 201.9 MB. Free memory was 179.9 MB in the beginning and 166.9 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 7.1 GB. * Sifa took 857.74 ms. Allocated memory is still 201.9 MB. Free memory was 166.9 MB in the beginning and 101.0 MB in the end (delta: 65.9 MB). Peak memory consumption was 65.9 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]: 812, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 33, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 30, TOOLS_POST_TIME[ms]: 37, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 40, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 2, TOOLS_QUANTIFIERELIM_APPLICATIONS: 33, TOOLS_QUANTIFIERELIM_TIME[ms]: 48, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 25, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 36, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 5, DOMAIN_JOIN_TIME[ms]: 320, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 285, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 7, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 577, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 577, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 49, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 49, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 10, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 26, DAG_COMPRESSION_PROCESSED_NODES: 92, DAG_COMPRESSION_RETAINED_NODES: 44 - UnprovableResult [Line: 43]: 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 52#(and (= main_~__tmp_1~0 (ite (< 0 main_~main__y~0) 1 0)) (= main_~__VERIFIER_assert__cond~0 0) (= main_~__tmp_1~0 main_~__VERIFIER_assert__cond~0) (not (< main_~main__x~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...