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/nla-digbench/lcm2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 11:29:51,793 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 11:29:51,795 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 11:29:51,810 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 11:29:51,811 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 11:29:51,812 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 11:29:51,813 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 11:29:51,816 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 11:29:51,817 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 11:29:51,818 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 11:29:51,819 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 11:29:51,820 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 11:29:51,820 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 11:29:51,821 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 11:29:51,822 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 11:29:51,823 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 11:29:51,824 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 11:29:51,825 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 11:29:51,827 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 11:29:51,829 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 11:29:51,831 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 11:29:51,832 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 11:29:51,836 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 11:29:51,836 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 11:29:51,839 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 11:29:51,839 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 11:29:51,840 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 11:29:51,841 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 11:29:51,841 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 11:29:51,842 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 11:29:51,844 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 11:29:51,846 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 11:29:51,846 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 11:29:51,847 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 11:29:51,850 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 11:29:51,850 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 11:29:51,851 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 11:29:51,851 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 11:29:51,851 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 11:29:51,854 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 11:29:51,857 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 11:29:51,858 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 11:29:51,875 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 11:29:51,875 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 11:29:51,877 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 11:29:51,877 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 11:29:51,877 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 11:29:51,877 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 11:29:51,877 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 11:29:51,878 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 11:29:51,878 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 11:29:51,878 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 11:29:51,878 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 11:29:51,878 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 11:29:51,879 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 11:29:51,879 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 11:29:51,879 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 11:29:51,879 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 11:29:51,879 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 11:29:51,880 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 11:29:51,880 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 11:29:51,880 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 11:29:51,880 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 11:29:51,880 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 11:29:51,881 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 11:29:51,881 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 11:29:51,881 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 11:29:51,881 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 11:29:51,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 11:29:51,882 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 11:29:51,882 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 [2019-09-18 11:29:51,926 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 11:29:51,937 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 11:29:51,940 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 11:29:51,941 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 11:29:51,942 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 11:29:51,942 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/lcm2.c [2019-09-18 11:29:51,999 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2757134d1/f01ffe973aa34900ac2c7f7140396668/FLAGaddd76f12 [2019-09-18 11:29:52,437 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 11:29:52,437 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/lcm2.c [2019-09-18 11:29:52,443 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2757134d1/f01ffe973aa34900ac2c7f7140396668/FLAGaddd76f12 [2019-09-18 11:29:52,871 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2757134d1/f01ffe973aa34900ac2c7f7140396668 [2019-09-18 11:29:52,884 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 11:29:52,886 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 11:29:52,887 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 11:29:52,887 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 11:29:52,890 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 11:29:52,891 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 11:29:52" (1/1) ... [2019-09-18 11:29:52,893 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@257a7adc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:29:52, skipping insertion in model container [2019-09-18 11:29:52,894 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 11:29:52" (1/1) ... [2019-09-18 11:29:52,901 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 11:29:52,918 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 11:29:53,134 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 11:29:53,138 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 11:29:53,154 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 11:29:53,166 INFO L192 MainTranslator]: Completed translation [2019-09-18 11:29:53,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:29:53 WrapperNode [2019-09-18 11:29:53,167 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 11:29:53,168 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 11:29:53,168 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 11:29:53,168 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 11:29:53,264 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:29:53" (1/1) ... [2019-09-18 11:29:53,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:29:53" (1/1) ... [2019-09-18 11:29:53,268 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:29:53" (1/1) ... [2019-09-18 11:29:53,268 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:29:53" (1/1) ... [2019-09-18 11:29:53,272 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:29:53" (1/1) ... [2019-09-18 11:29:53,276 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:29:53" (1/1) ... [2019-09-18 11:29:53,277 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:29:53" (1/1) ... [2019-09-18 11:29:53,279 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 11:29:53,279 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 11:29:53,279 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 11:29:53,279 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 11:29:53,280 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:29:53" (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 11:29:53,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 11:29:53,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 11:29:53,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-18 11:29:53,336 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 11:29:53,336 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 11:29:53,336 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 11:29:53,336 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-18 11:29:53,337 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-18 11:29:53,337 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 11:29:53,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 11:29:53,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 11:29:53,543 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 11:29:53,544 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-18 11:29:53,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 11:29:53 BoogieIcfgContainer [2019-09-18 11:29:53,546 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 11:29:53,554 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 11:29:53,554 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 11:29:53,555 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 11:29:53,556 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 11:29:53" (1/1) ... [2019-09-18 11:29:53,557 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 [2019-09-18 11:29:53,592 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 11:29:53,593 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 11:29:53,600 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 11:29:53,610 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 11:29:53,612 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 11:29:53,667 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-18 11:30:10,426 WARN L191 SmtUtils]: Spent 16.61 s on a formula simplification. DAG size of input: 53 DAG size of output: 43 [2019-09-18 11:30:21,552 WARN L191 SmtUtils]: Spent 11.12 s on a formula simplification that was a NOOP. DAG size: 43 [2019-09-18 11:30:39,308 WARN L191 SmtUtils]: Spent 17.70 s on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2019-09-18 11:30:45,831 WARN L191 SmtUtils]: Spent 6.52 s on a formula simplification that was a NOOP. DAG size: 46 [2019-09-18 11:30:51,989 WARN L191 SmtUtils]: Spent 6.15 s on a formula simplification. DAG size of input: 60 DAG size of output: 53 [2019-09-18 11:31:00,458 WARN L191 SmtUtils]: Spent 8.47 s on a formula simplification that was a NOOP. DAG size: 53 [2019-09-18 11:31:49,435 WARN L191 SmtUtils]: Spent 48.95 s on a formula simplification. DAG size of input: 107 DAG size of output: 100 [2019-09-18 11:32:16,887 WARN L191 SmtUtils]: Spent 27.45 s on a formula simplification that was a NOOP. DAG size: 100 [2019-09-18 11:32:52,860 WARN L191 SmtUtils]: Spent 35.93 s on a formula simplification. DAG size of input: 106 DAG size of output: 73 [2019-09-18 11:33:05,069 WARN L191 SmtUtils]: Spent 12.21 s on a formula simplification that was a NOOP. DAG size: 73 [2019-09-18 11:33:25,418 WARN L191 SmtUtils]: Spent 20.32 s on a formula simplification. DAG size of input: 95 DAG size of output: 75 [2019-09-18 11:33:38,979 WARN L191 SmtUtils]: Spent 13.56 s on a formula simplification that was a NOOP. DAG size: 75 [2019-09-18 11:34:50,644 WARN L191 SmtUtils]: Spent 1.19 m on a formula simplification. DAG size of input: 141 DAG size of output: 129 [2019-09-18 11:35:34,659 WARN L191 SmtUtils]: Spent 44.01 s on a formula simplification that was a NOOP. DAG size: 129 [2019-09-18 11:37:08,652 WARN L191 SmtUtils]: Spent 1.57 m on a formula simplification. DAG size of input: 133 DAG size of output: 124 [2019-09-18 11:38:00,776 WARN L191 SmtUtils]: Spent 52.12 s on a formula simplification that was a NOOP. DAG size: 124 [2019-09-18 11:39:46,819 WARN L191 SmtUtils]: Spent 1.77 m on a formula simplification. DAG size of input: 145 DAG size of output: 136 [2019-09-18 11:39:46,961 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-18 11:39:46,973 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 11:39:46,974 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 11:39:46,976 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 133#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-18 11:39:46,990 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 11:39:46,991 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 11:39:46,993 INFO L168 Benchmark]: Toolchain (without parser) took 594106.54 ms. Allocated memory was 133.2 MB in the beginning and 292.0 MB in the end (delta: 158.9 MB). Free memory was 89.3 MB in the beginning and 214.6 MB in the end (delta: -125.3 MB). Peak memory consumption was 33.5 MB. Max. memory is 7.1 GB. [2019-09-18 11:39:46,994 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 133.2 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-18 11:39:46,994 INFO L168 Benchmark]: CACSL2BoogieTranslator took 280.67 ms. Allocated memory is still 133.2 MB. Free memory was 89.0 MB in the beginning and 79.2 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-09-18 11:39:46,995 INFO L168 Benchmark]: Boogie Preprocessor took 111.25 ms. Allocated memory was 133.2 MB in the beginning and 199.8 MB in the end (delta: 66.6 MB). Free memory was 79.2 MB in the beginning and 175.9 MB in the end (delta: -96.6 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-09-18 11:39:46,996 INFO L168 Benchmark]: RCFGBuilder took 266.68 ms. Allocated memory is still 199.8 MB. Free memory was 175.9 MB in the beginning and 162.6 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. [2019-09-18 11:39:46,997 INFO L168 Benchmark]: Sifa took 593436.42 ms. Allocated memory was 199.8 MB in the beginning and 292.0 MB in the end (delta: 92.3 MB). Free memory was 162.6 MB in the beginning and 214.6 MB in the end (delta: -52.0 MB). Peak memory consumption was 40.3 MB. Max. memory is 7.1 GB. [2019-09-18 11:39:47,001 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 133.2 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 280.67 ms. Allocated memory is still 133.2 MB. Free memory was 89.0 MB in the beginning and 79.2 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 111.25 ms. Allocated memory was 133.2 MB in the beginning and 199.8 MB in the end (delta: 66.6 MB). Free memory was 79.2 MB in the beginning and 175.9 MB in the end (delta: -96.6 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 266.68 ms. Allocated memory is still 199.8 MB. Free memory was 175.9 MB in the beginning and 162.6 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. * Sifa took 593436.42 ms. Allocated memory was 199.8 MB in the beginning and 292.0 MB in the end (delta: 92.3 MB). Free memory was 162.6 MB in the beginning and 214.6 MB in the end (delta: -52.0 MB). Peak memory consumption was 40.3 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]: 593384, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 87, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 71, TOOLS_POST_TIME[ms]: 70, TOOLS_POST_CALL_APPLICATIONS: 10, TOOLS_POST_CALL_TIME[ms]: 178, TOOLS_POST_RETURN_APPLICATIONS: 7, TOOLS_POST_RETURN_TIME[ms]: 18, TOOLS_QUANTIFIERELIM_APPLICATIONS: 88, TOOLS_QUANTIFIERELIM_TIME[ms]: 226, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 48, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 91, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 17, DOMAIN_JOIN_TIME[ms]: 438376, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 154472, DOMAIN_ISSUBSETEQ_APPLICATIONS: 4, DOMAIN_ISSUBSETEQ_TIME[ms]: 114, DOMAIN_ISBOTTOM_APPLICATIONS: 9, DOMAIN_ISBOTTOM_TIME[ms]: 50, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 593076, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 593076, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 7, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 53, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 53, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 33, DAG_COMPRESSION_PROCESSED_NODES: 167, DAG_COMPRESSION_RETAINED_NODES: 76 - UnprovableResult [Line: 8]: 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 133#(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...