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 ReUseSupersetCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/loops/nec20.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 21:12:02,491 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 21:12:02,493 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 21:12:02,505 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 21:12:02,506 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 21:12:02,507 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 21:12:02,508 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 21:12:02,510 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 21:12:02,512 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 21:12:02,513 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 21:12:02,514 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 21:12:02,516 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 21:12:02,516 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 21:12:02,517 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 21:12:02,518 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 21:12:02,519 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 21:12:02,520 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 21:12:02,521 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 21:12:02,523 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 21:12:02,525 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 21:12:02,526 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 21:12:02,527 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 21:12:02,529 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 21:12:02,529 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 21:12:02,532 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 21:12:02,532 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 21:12:02,532 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 21:12:02,533 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 21:12:02,534 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 21:12:02,535 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 21:12:02,535 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 21:12:02,536 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 21:12:02,537 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 21:12:02,538 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 21:12:02,539 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 21:12:02,539 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 21:12:02,540 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 21:12:02,540 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 21:12:02,540 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 21:12:02,541 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 21:12:02,542 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 21:12:02,543 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 [2019-09-18 21:12:02,557 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 21:12:02,557 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 21:12:02,559 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 21:12:02,559 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 21:12:02,559 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 21:12:02,559 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 21:12:02,560 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 21:12:02,560 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 21:12:02,560 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 21:12:02,560 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 21:12:02,560 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 21:12:02,561 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 21:12:02,561 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 21:12:02,561 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 21:12:02,561 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 21:12:02,562 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 21:12:02,562 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 21:12:02,562 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 21:12:02,562 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 21:12:02,562 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 21:12:02,563 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 21:12:02,563 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 21:12:02,563 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 21:12:02,563 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 21:12:02,564 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 21:12:02,564 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 21:12:02,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 21:12:02,564 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 21:12:02,564 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 -> ReUseSupersetCallSummarizer 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 [2019-09-18 21:12:02,596 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 21:12:02,611 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 21:12:02,614 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 21:12:02,616 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 21:12:02,616 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 21:12:02,617 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/nec20.c [2019-09-18 21:12:02,682 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc3af75ae/eea99c08cec442d2b812f51762fa54bc/FLAGc472e64cc [2019-09-18 21:12:03,114 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 21:12:03,115 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/nec20.c [2019-09-18 21:12:03,121 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc3af75ae/eea99c08cec442d2b812f51762fa54bc/FLAGc472e64cc [2019-09-18 21:12:03,522 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc3af75ae/eea99c08cec442d2b812f51762fa54bc [2019-09-18 21:12:03,533 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 21:12:03,534 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 21:12:03,536 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 21:12:03,537 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 21:12:03,540 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 21:12:03,541 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 09:12:03" (1/1) ... [2019-09-18 21:12:03,544 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77a2ab94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:12:03, skipping insertion in model container [2019-09-18 21:12:03,544 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 09:12:03" (1/1) ... [2019-09-18 21:12:03,552 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 21:12:03,569 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 21:12:03,791 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 21:12:03,795 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 21:12:03,813 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 21:12:03,827 INFO L192 MainTranslator]: Completed translation [2019-09-18 21:12:03,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:12:03 WrapperNode [2019-09-18 21:12:03,828 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 21:12:03,829 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 21:12:03,829 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 21:12:03,829 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 21:12:03,928 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:12:03" (1/1) ... [2019-09-18 21:12:03,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:12:03" (1/1) ... [2019-09-18 21:12:03,941 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:12:03" (1/1) ... [2019-09-18 21:12:03,943 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:12:03" (1/1) ... [2019-09-18 21:12:03,951 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:12:03" (1/1) ... [2019-09-18 21:12:03,960 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:12:03" (1/1) ... [2019-09-18 21:12:03,961 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:12:03" (1/1) ... [2019-09-18 21:12:03,970 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 21:12:03,971 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 21:12:03,971 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 21:12:03,971 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 21:12:03,972 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:12:03" (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 [2019-09-18 21:12:04,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 21:12:04,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 21:12:04,036 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-18 21:12:04,036 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 21:12:04,037 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 21:12:04,037 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-18 21:12:04,037 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-18 21:12:04,037 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-18 21:12:04,037 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 21:12:04,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 21:12:04,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 21:12:04,301 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 21:12:04,301 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-18 21:12:04,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 09:12:04 BoogieIcfgContainer [2019-09-18 21:12:04,303 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 21:12:04,303 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 21:12:04,304 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 21:12:04,304 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 21:12:04,305 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 09:12:04" (1/1) ... [2019-09-18 21:12:04,306 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=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-18 21:12:04,332 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 21:12:04,333 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 21:12:04,341 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 21:12:04,354 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 21:12:04,356 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 21:12:04,456 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 3 for LOIs [2019-09-18 21:12:05,064 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2019-09-18 21:12:05,351 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2019-09-18 21:12:07,840 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-18 21:12:07,858 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 21:12:07,859 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 21:12:07,861 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 44#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-18 21:12:07,873 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 21:12:07,874 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 21:12:07,875 INFO L168 Benchmark]: Toolchain (without parser) took 4341.32 ms. Allocated memory was 133.7 MB in the beginning and 226.5 MB in the end (delta: 92.8 MB). Free memory was 89.6 MB in the beginning and 194.5 MB in the end (delta: -104.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-18 21:12:07,876 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 133.7 MB. Free memory was 108.1 MB in the beginning and 107.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-18 21:12:07,877 INFO L168 Benchmark]: CACSL2BoogieTranslator took 292.21 ms. Allocated memory is still 133.7 MB. Free memory was 89.4 MB in the beginning and 79.7 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-09-18 21:12:07,878 INFO L168 Benchmark]: Boogie Preprocessor took 141.75 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 79.7 MB in the beginning and 176.2 MB in the end (delta: -96.5 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. [2019-09-18 21:12:07,879 INFO L168 Benchmark]: RCFGBuilder took 332.02 ms. Allocated memory is still 200.3 MB. Free memory was 176.2 MB in the beginning and 159.4 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 7.1 GB. [2019-09-18 21:12:07,880 INFO L168 Benchmark]: Sifa took 3570.31 ms. Allocated memory was 200.3 MB in the beginning and 226.5 MB in the end (delta: 26.2 MB). Free memory was 159.4 MB in the beginning and 194.5 MB in the end (delta: -35.1 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-18 21:12:07,884 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 133.7 MB. Free memory was 108.1 MB in the beginning and 107.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 292.21 ms. Allocated memory is still 133.7 MB. Free memory was 89.4 MB in the beginning and 79.7 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 141.75 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 79.7 MB in the beginning and 176.2 MB in the end (delta: -96.5 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 332.02 ms. Allocated memory is still 200.3 MB. Free memory was 176.2 MB in the beginning and 159.4 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 7.1 GB. * Sifa took 3570.31 ms. Allocated memory was 200.3 MB in the beginning and 226.5 MB in the end (delta: 26.2 MB). Free memory was 159.4 MB in the beginning and 194.5 MB in the end (delta: -35.1 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 3529, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 14, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 10, TOOLS_POST_TIME[ms]: 159, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 36, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 1, TOOLS_QUANTIFIERELIM_APPLICATIONS: 14, TOOLS_QUANTIFIERELIM_TIME[ms]: 179, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 127, FLUID_QUERY_TIME[ms]: 10, FLUID_QUERIES: 17, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 5, DOMAIN_JOIN_TIME[ms]: 588, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 379, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 2276, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 3233, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 3232, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 33, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 15, DAG_COMPRESSION_PROCESSED_NODES: 48, DAG_COMPRESSION_RETAINED_NODES: 31 - UnprovableResult [Line: 6]: 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 44#(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...