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 LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.logsizewrapperfluid.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK --sifa.max.parallel.explicit.values 2 --sifa.sizelimitfluid.max.disjunctions 4 -i ../../../trunk/examples/svcomp/loop-lit/gsv2008.c.i.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 17:02:13,026 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 17:02:13,028 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 17:02:13,041 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 17:02:13,042 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 17:02:13,043 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 17:02:13,045 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 17:02:13,049 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 17:02:13,052 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 17:02:13,054 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 17:02:13,055 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 17:02:13,064 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 17:02:13,065 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 17:02:13,066 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 17:02:13,067 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 17:02:13,070 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 17:02:13,071 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 17:02:13,075 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 17:02:13,078 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 17:02:13,080 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 17:02:13,085 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 17:02:13,089 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 17:02:13,090 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 17:02:13,091 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 17:02:13,094 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 17:02:13,095 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 17:02:13,095 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 17:02:13,096 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 17:02:13,098 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 17:02:13,101 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 17:02:13,101 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 17:02:13,102 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 17:02:13,103 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 17:02:13,104 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 17:02:13,106 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 17:02:13,107 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 17:02:13,107 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 17:02:13,108 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 17:02:13,108 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 17:02:13,109 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 17:02:13,112 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 17:02:13,113 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 [2019-09-25 17:02:13,136 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 17:02:13,136 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 17:02:13,138 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 17:02:13,138 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 17:02:13,138 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 17:02:13,139 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 17:02:13,139 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 17:02:13,139 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 17:02:13,139 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 17:02:13,139 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 17:02:13,141 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 17:02:13,141 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 17:02:13,141 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 17:02:13,141 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 17:02:13,142 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 17:02:13,142 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 17:02:13,142 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 17:02:13,142 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 17:02:13,142 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 17:02:13,143 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 17:02:13,143 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 17:02:13,143 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 17:02:13,143 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 17:02:13,143 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 17:02:13,144 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 17:02:13,144 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 17:02:13,144 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 17:02:13,144 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 17:02:13,145 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 -> 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: LogSizeWrapperFluid Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Max. Parallel Explicit Values -> 2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: SizeLimitFluid Max. Disjunctions -> 4 [2019-09-25 17:02:13,199 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 17:02:13,212 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 17:02:13,216 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 17:02:13,217 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 17:02:13,218 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 17:02:13,218 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/gsv2008.c.i.v+lhb-reducer.c [2019-09-25 17:02:13,292 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f08f4f647/9f0ba9862bd14d59b9af071a01418e8f/FLAG72e108cc9 [2019-09-25 17:02:13,763 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 17:02:13,766 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/gsv2008.c.i.v+lhb-reducer.c [2019-09-25 17:02:13,773 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f08f4f647/9f0ba9862bd14d59b9af071a01418e8f/FLAG72e108cc9 [2019-09-25 17:02:14,153 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f08f4f647/9f0ba9862bd14d59b9af071a01418e8f [2019-09-25 17:02:14,164 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 17:02:14,165 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 17:02:14,166 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 17:02:14,167 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 17:02:14,170 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 17:02:14,171 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:02:14" (1/1) ... [2019-09-25 17:02:14,173 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b3a515f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:02:14, skipping insertion in model container [2019-09-25 17:02:14,174 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:02:14" (1/1) ... [2019-09-25 17:02:14,180 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 17:02:14,196 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 17:02:14,363 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:02:14,368 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 17:02:14,385 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:02:14,400 INFO L192 MainTranslator]: Completed translation [2019-09-25 17:02:14,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:02:14 WrapperNode [2019-09-25 17:02:14,400 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 17:02:14,401 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 17:02:14,401 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 17:02:14,402 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 17:02:14,501 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:02:14" (1/1) ... [2019-09-25 17:02:14,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:02:14" (1/1) ... [2019-09-25 17:02:14,506 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:02:14" (1/1) ... [2019-09-25 17:02:14,508 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:02:14" (1/1) ... [2019-09-25 17:02:14,512 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:02:14" (1/1) ... [2019-09-25 17:02:14,515 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:02:14" (1/1) ... [2019-09-25 17:02:14,519 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:02:14" (1/1) ... [2019-09-25 17:02:14,520 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 17:02:14,521 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 17:02:14,521 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 17:02:14,521 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 17:02:14,522 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:02:14" (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 [2019-09-25 17:02:14,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 17:02:14,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 17:02:14,576 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 17:02:14,577 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 17:02:14,578 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-25 17:02:14,578 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-25 17:02:14,578 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 17:02:14,578 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 17:02:14,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 17:02:14,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 17:02:14,783 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 17:02:14,783 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-25 17:02:14,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:02:14 BoogieIcfgContainer [2019-09-25 17:02:14,785 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 17:02:14,785 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 17:02:14,785 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 17:02:14,786 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 17:02:14,787 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:02:14" (1/1) ... [2019-09-25 17:02:14,787 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=ExplicitValueDomain ♦ 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=4 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 17:02:14,809 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 17:02:14,809 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 17:02:14,817 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 17:02:14,827 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 17:02:14,828 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 17:02:14,928 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 12 for LOIs [2019-09-25 17:02:15,320 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 17:02:15,321 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 17:02:15,323 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 38#(and (= |old(~__return_65~0)| 0) (= 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) (= ~__tmp_55_0~0 main_~main____CPAchecker_TMP_0~0) (= ~__return_main~0 0) (not (< main_~main__x~0 0)) (= |old(~__tmp_55_0~0)| 0)) [2019-09-25 17:02:15,338 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 17:02:15,338 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 17:02:15,341 INFO L168 Benchmark]: Toolchain (without parser) took 1174.87 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 86.9 MB in the beginning and 143.0 MB in the end (delta: -56.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2019-09-25 17:02:15,342 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 132.1 MB. Free memory was 105.1 MB in the beginning and 104.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 17:02:15,343 INFO L168 Benchmark]: CACSL2BoogieTranslator took 234.50 ms. Allocated memory is still 132.1 MB. Free memory was 86.7 MB in the beginning and 76.5 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-09-25 17:02:15,345 INFO L168 Benchmark]: Boogie Preprocessor took 119.53 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 76.5 MB in the beginning and 174.6 MB in the end (delta: -98.0 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. [2019-09-25 17:02:15,346 INFO L168 Benchmark]: RCFGBuilder took 263.78 ms. Allocated memory is still 198.7 MB. Free memory was 174.6 MB in the beginning and 161.9 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. [2019-09-25 17:02:15,346 INFO L168 Benchmark]: Sifa took 553.28 ms. Allocated memory is still 198.7 MB. Free memory was 161.9 MB in the beginning and 143.0 MB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. [2019-09-25 17:02:15,350 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 132.1 MB. Free memory was 105.1 MB in the beginning and 104.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 234.50 ms. Allocated memory is still 132.1 MB. Free memory was 86.7 MB in the beginning and 76.5 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 119.53 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 76.5 MB in the beginning and 174.6 MB in the end (delta: -98.0 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 263.78 ms. Allocated memory is still 198.7 MB. Free memory was 174.6 MB in the beginning and 161.9 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. * Sifa took 553.28 ms. Allocated memory is still 198.7 MB. Free memory was 161.9 MB in the beginning and 143.0 MB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 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]: 514, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 18, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 15, TOOLS_POST_TIME[ms]: 65, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 20, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 2, TOOLS_QUANTIFIERELIM_APPLICATIONS: 18, TOOLS_QUANTIFIERELIM_TIME[ms]: 67, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 24, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 21, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 5, DOMAIN_JOIN_TIME[ms]: 196, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 116, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 43, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 363, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 362, 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]: 48, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 16, DAG_COMPRESSION_PROCESSED_NODES: 59, DAG_COMPRESSION_RETAINED_NODES: 29 - UnprovableResult [Line: 52]: 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 38#(and (= |old(~__return_65~0)| 0) (= 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) (= ~__tmp_55_0~0 main_~main____CPAchecker_TMP_0~0) (= ~__return_main~0 0) (not (< main_~main__x~0 0)) (= |old(~__tmp_55_0~0)| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...