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 InterpretCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/loop-invgen/id_build.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 21:21:59,253 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 21:21:59,255 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 21:21:59,267 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 21:21:59,267 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 21:21:59,268 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 21:21:59,270 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 21:21:59,281 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 21:21:59,284 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 21:21:59,285 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 21:21:59,286 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 21:21:59,289 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 21:21:59,289 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 21:21:59,292 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 21:21:59,294 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 21:21:59,296 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 21:21:59,298 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 21:21:59,299 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 21:21:59,302 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 21:21:59,305 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 21:21:59,308 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 21:21:59,310 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 21:21:59,313 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 21:21:59,314 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 21:21:59,316 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 21:21:59,317 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 21:21:59,317 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 21:21:59,319 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 21:21:59,321 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 21:21:59,323 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 21:21:59,323 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 21:21:59,324 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 21:21:59,325 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 21:21:59,325 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 21:21:59,329 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 21:21:59,329 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 21:21:59,330 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 21:21:59,330 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 21:21:59,330 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 21:21:59,331 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 21:21:59,332 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 21:21:59,333 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 21:21:59,353 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 21:21:59,353 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 21:21:59,355 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 21:21:59,356 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 21:21:59,356 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 21:21:59,356 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 21:21:59,356 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 21:21:59,357 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 21:21:59,357 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 21:21:59,357 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 21:21:59,358 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 21:21:59,358 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 21:21:59,358 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 21:21:59,359 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 21:21:59,359 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 21:21:59,359 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 21:21:59,359 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 21:21:59,360 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 21:21:59,360 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 21:21:59,360 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 21:21:59,360 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 21:21:59,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 21:21:59,361 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 21:21:59,361 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 21:21:59,362 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 21:21:59,362 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 21:21:59,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 21:21:59,362 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 21:21:59,363 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 -> InterpretCallSummarizer 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 21:21:59,417 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 21:21:59,436 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 21:21:59,439 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 21:21:59,440 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 21:21:59,441 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 21:21:59,442 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/id_build.i [2019-09-20 21:21:59,511 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc9a6ec79/bd9a5c6391ee485997920bb9c9e311a1/FLAG2db2f6b97 [2019-09-20 21:21:59,903 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 21:21:59,904 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/id_build.i [2019-09-20 21:21:59,910 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc9a6ec79/bd9a5c6391ee485997920bb9c9e311a1/FLAG2db2f6b97 [2019-09-20 21:22:00,320 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc9a6ec79/bd9a5c6391ee485997920bb9c9e311a1 [2019-09-20 21:22:00,335 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 21:22:00,338 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 21:22:00,341 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 21:22:00,341 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 21:22:00,345 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 21:22:00,346 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:22:00" (1/1) ... [2019-09-20 21:22:00,348 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c2a32ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:22:00, skipping insertion in model container [2019-09-20 21:22:00,349 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:22:00" (1/1) ... [2019-09-20 21:22:00,356 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 21:22:00,374 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 21:22:00,580 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:22:00,585 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 21:22:00,601 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:22:00,617 INFO L192 MainTranslator]: Completed translation [2019-09-20 21:22:00,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:22:00 WrapperNode [2019-09-20 21:22:00,618 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 21:22:00,619 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 21:22:00,619 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 21:22:00,619 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 21:22:00,719 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:22:00" (1/1) ... [2019-09-20 21:22:00,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:22:00" (1/1) ... [2019-09-20 21:22:00,730 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:22:00" (1/1) ... [2019-09-20 21:22:00,731 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:22:00" (1/1) ... [2019-09-20 21:22:00,734 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:22:00" (1/1) ... [2019-09-20 21:22:00,738 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:22:00" (1/1) ... [2019-09-20 21:22:00,739 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:22:00" (1/1) ... [2019-09-20 21:22:00,743 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 21:22:00,744 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 21:22:00,744 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 21:22:00,744 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 21:22:00,744 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:22:00" (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 21:22:00,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 21:22:00,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 21:22:00,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 21:22:00,800 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 21:22:00,800 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 21:22:00,800 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 21:22:00,800 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 21:22:00,800 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 21:22:00,801 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 21:22:00,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 21:22:00,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 21:22:01,002 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 21:22:01,002 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-20 21:22:01,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:22:01 BoogieIcfgContainer [2019-09-20 21:22:01,004 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 21:22:01,004 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 21:22:01,004 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 21:22:01,004 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 21:22:01,006 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:22:01" (1/1) ... [2019-09-20 21:22:01,006 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=InterpretCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 21:22:01,027 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 21:22:01,027 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 21:22:01,034 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 21:22:01,042 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 21:22:01,044 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 21:22:01,140 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-20 21:22:02,471 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-20 21:22:02,485 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 21:22:02,485 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 21:22:02,489 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 221#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-20 21:22:02,509 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 21:22:02,510 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 21:22:02,513 INFO L168 Benchmark]: Toolchain (without parser) took 2173.00 ms. Allocated memory was 132.1 MB in the beginning and 220.7 MB in the end (delta: 88.6 MB). Free memory was 87.9 MB in the beginning and 128.9 MB in the end (delta: -41.0 MB). Peak memory consumption was 47.6 MB. Max. memory is 7.1 GB. [2019-09-20 21:22:02,515 INFO L168 Benchmark]: CDTParser took 0.20 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. [2019-09-20 21:22:02,517 INFO L168 Benchmark]: CACSL2BoogieTranslator took 277.31 ms. Allocated memory is still 132.1 MB. Free memory was 87.6 MB in the beginning and 78.4 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-09-20 21:22:02,519 INFO L168 Benchmark]: Boogie Preprocessor took 124.47 ms. Allocated memory was 132.1 MB in the beginning and 197.7 MB in the end (delta: 65.5 MB). Free memory was 78.4 MB in the beginning and 174.1 MB in the end (delta: -95.7 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-09-20 21:22:02,520 INFO L168 Benchmark]: RCFGBuilder took 260.17 ms. Allocated memory is still 197.7 MB. Free memory was 174.1 MB in the beginning and 160.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. [2019-09-20 21:22:02,526 INFO L168 Benchmark]: Sifa took 1505.60 ms. Allocated memory was 197.7 MB in the beginning and 220.7 MB in the end (delta: 23.1 MB). Free memory was 160.7 MB in the beginning and 128.9 MB in the end (delta: 31.9 MB). Peak memory consumption was 54.9 MB. Max. memory is 7.1 GB. [2019-09-20 21:22:02,532 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 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 277.31 ms. Allocated memory is still 132.1 MB. Free memory was 87.6 MB in the beginning and 78.4 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 124.47 ms. Allocated memory was 132.1 MB in the beginning and 197.7 MB in the end (delta: 65.5 MB). Free memory was 78.4 MB in the beginning and 174.1 MB in the end (delta: -95.7 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 260.17 ms. Allocated memory is still 197.7 MB. Free memory was 174.1 MB in the beginning and 160.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. * Sifa took 1505.60 ms. Allocated memory was 197.7 MB in the beginning and 220.7 MB in the end (delta: 23.1 MB). Free memory was 160.7 MB in the beginning and 128.9 MB in the end (delta: 31.9 MB). Peak memory consumption was 54.9 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]: 1463, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 119, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 97, TOOLS_POST_TIME[ms]: 61, TOOLS_POST_CALL_APPLICATIONS: 15, TOOLS_POST_CALL_TIME[ms]: 90, TOOLS_POST_RETURN_APPLICATIONS: 12, TOOLS_POST_RETURN_TIME[ms]: 23, TOOLS_QUANTIFIERELIM_APPLICATIONS: 121, TOOLS_QUANTIFIERELIM_TIME[ms]: 118, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12, FLUID_QUERY_TIME[ms]: 9, FLUID_QUERIES: 129, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 43, DOMAIN_JOIN_TIME[ms]: 853, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 274, DOMAIN_ISSUBSETEQ_APPLICATIONS: 10, DOMAIN_ISSUBSETEQ_TIME[ms]: 5, DOMAIN_ISBOTTOM_APPLICATIONS: 19, DOMAIN_ISBOTTOM_TIME[ms]: 29, LOOP_SUMMARIZER_APPLICATIONS: 7, LOOP_SUMMARIZER_CACHE_MISSES: 7, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1096, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1095, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 10, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 12, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 376, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 13, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 8, DAG_COMPRESSION_TIME[ms]: 28, DAG_COMPRESSION_PROCESSED_NODES: 118, DAG_COMPRESSION_RETAINED_NODES: 49 - UnprovableResult [Line: 5]: 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 221#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...