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/prod4br.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 11:30:13,674 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 11:30:13,676 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 11:30:13,688 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 11:30:13,688 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 11:30:13,689 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 11:30:13,691 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 11:30:13,692 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 11:30:13,694 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 11:30:13,695 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 11:30:13,696 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 11:30:13,697 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 11:30:13,697 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 11:30:13,698 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 11:30:13,699 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 11:30:13,701 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 11:30:13,701 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 11:30:13,702 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 11:30:13,704 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 11:30:13,706 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 11:30:13,707 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 11:30:13,708 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 11:30:13,709 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 11:30:13,710 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 11:30:13,712 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 11:30:13,713 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 11:30:13,713 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 11:30:13,714 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 11:30:13,714 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 11:30:13,715 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 11:30:13,715 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 11:30:13,716 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 11:30:13,717 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 11:30:13,718 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 11:30:13,719 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 11:30:13,719 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 11:30:13,720 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 11:30:13,720 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 11:30:13,720 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 11:30:13,721 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 11:30:13,722 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 11:30:13,723 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 11:30:13,736 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 11:30:13,737 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 11:30:13,738 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 11:30:13,738 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 11:30:13,738 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 11:30:13,738 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 11:30:13,739 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 11:30:13,739 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 11:30:13,739 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 11:30:13,739 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 11:30:13,739 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 11:30:13,740 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 11:30:13,740 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 11:30:13,740 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 11:30:13,740 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 11:30:13,740 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 11:30:13,740 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 11:30:13,741 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 11:30:13,741 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 11:30:13,741 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 11:30:13,741 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 11:30:13,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 11:30:13,742 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 11:30:13,742 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 11:30:13,742 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 11:30:13,742 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 11:30:13,742 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 11:30:13,743 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 11:30:13,743 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 11:30:13,777 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 11:30:13,793 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 11:30:13,799 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 11:30:13,800 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 11:30:13,801 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 11:30:13,801 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/prod4br.c [2019-09-18 11:30:13,872 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9cec0c1e/d24a71d48c4b4303a852f8fd15dc5db0/FLAGe80ee2ca8 [2019-09-18 11:30:14,316 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 11:30:14,317 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/prod4br.c [2019-09-18 11:30:14,324 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9cec0c1e/d24a71d48c4b4303a852f8fd15dc5db0/FLAGe80ee2ca8 [2019-09-18 11:30:14,674 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9cec0c1e/d24a71d48c4b4303a852f8fd15dc5db0 [2019-09-18 11:30:14,684 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 11:30:14,686 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 11:30:14,687 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 11:30:14,687 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 11:30:14,690 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 11:30:14,691 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 11:30:14" (1/1) ... [2019-09-18 11:30:14,694 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@283448d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:30:14, skipping insertion in model container [2019-09-18 11:30:14,694 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 11:30:14" (1/1) ... [2019-09-18 11:30:14,702 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 11:30:14,722 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 11:30:14,923 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 11:30:14,927 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 11:30:14,960 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 11:30:14,974 INFO L192 MainTranslator]: Completed translation [2019-09-18 11:30:14,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:30:14 WrapperNode [2019-09-18 11:30:14,974 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 11:30:14,975 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 11:30:14,975 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 11:30:14,975 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 11:30:15,067 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:30:14" (1/1) ... [2019-09-18 11:30:15,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:30:14" (1/1) ... [2019-09-18 11:30:15,072 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:30:14" (1/1) ... [2019-09-18 11:30:15,073 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:30:14" (1/1) ... [2019-09-18 11:30:15,086 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:30:14" (1/1) ... [2019-09-18 11:30:15,092 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:30:14" (1/1) ... [2019-09-18 11:30:15,093 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:30:14" (1/1) ... [2019-09-18 11:30:15,095 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 11:30:15,096 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 11:30:15,096 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 11:30:15,096 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 11:30:15,097 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:30:14" (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 [2019-09-18 11:30:15,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 11:30:15,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 11:30:15,163 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-18 11:30:15,163 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 11:30:15,163 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 11:30:15,163 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 11:30:15,163 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-18 11:30:15,163 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-18 11:30:15,164 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 11:30:15,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 11:30:15,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 11:30:15,393 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 11:30:15,393 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-18 11:30:15,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 11:30:15 BoogieIcfgContainer [2019-09-18 11:30:15,395 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 11:30:15,395 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 11:30:15,395 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 11:30:15,396 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 11:30:15,397 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 11:30:15" (1/1) ... [2019-09-18 11:30:15,397 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 11:30:15,419 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 11:30:15,419 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 11:30:15,427 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 11:30:15,440 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 11:30:15,441 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 11:30:15,533 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-18 11:30:16,422 WARN L191 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 49 [2019-09-18 11:30:16,862 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-09-18 11:30:17,521 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-18 11:30:17,709 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-18 11:30:17,889 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-18 11:30:18,074 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-18 11:30:23,922 WARN L191 SmtUtils]: Spent 5.84 s on a formula simplification that was a NOOP. DAG size: 100 [2019-09-18 11:30:24,748 WARN L191 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-18 11:30:25,043 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-18 11:30:25,279 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-18 11:30:25,582 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-18 11:30:26,563 WARN L191 SmtUtils]: Spent 839.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-18 11:30:26,867 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-18 11:30:26,981 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-18 11:30:27,634 WARN L191 SmtUtils]: Spent 652.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-18 11:30:35,255 WARN L191 SmtUtils]: Spent 7.62 s on a formula simplification that was a NOOP. DAG size: 102 [2019-09-18 11:30:36,894 WARN L191 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 69 [2019-09-18 11:30:37,120 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-18 11:30:37,280 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-18 11:30:37,440 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-18 11:30:41,492 WARN L191 SmtUtils]: Spent 4.04 s on a formula simplification. DAG size of input: 96 DAG size of output: 69 [2019-09-18 11:30:41,763 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-18 11:30:42,237 WARN L191 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-18 11:30:42,733 WARN L191 SmtUtils]: Spent 495.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-18 11:30:43,160 WARN L191 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-18 11:30:45,562 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-18 11:30:46,297 WARN L191 SmtUtils]: Spent 652.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-18 11:30:46,548 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-18 11:30:51,636 WARN L191 SmtUtils]: Spent 5.07 s on a formula simplification that was a NOOP. DAG size: 100 [2019-09-18 11:30:52,471 WARN L191 SmtUtils]: Spent 803.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-18 11:30:53,093 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-18 11:30:53,210 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-18 11:30:53,377 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-18 11:30:53,545 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-18 11:30:59,051 WARN L191 SmtUtils]: Spent 5.50 s on a formula simplification that was a NOOP. DAG size: 100 [2019-09-18 11:30:59,319 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-18 11:31:02,270 WARN L191 SmtUtils]: Spent 2.95 s on a formula simplification that was a NOOP. DAG size: 79 [2019-09-18 11:31:02,777 WARN L191 SmtUtils]: Spent 506.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-18 11:31:03,064 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-18 11:31:03,362 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-18 11:31:03,515 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-18 11:31:03,815 WARN L191 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-18 11:31:07,028 WARN L191 SmtUtils]: Spent 3.21 s on a formula simplification that was a NOOP. DAG size: 98 [2019-09-18 11:31:07,180 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-18 11:31:07,617 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-18 11:31:07,822 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-18 11:31:08,060 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-18 11:31:08,841 WARN L191 SmtUtils]: Spent 780.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-18 11:31:09,012 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-18 11:31:11,365 WARN L191 SmtUtils]: Spent 2.35 s on a formula simplification that was a NOOP. DAG size: 102 [2019-09-18 11:31:11,936 WARN L191 SmtUtils]: Spent 536.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-18 11:31:12,080 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-18 11:31:14,133 WARN L191 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 79 [2019-09-18 11:31:15,567 WARN L191 SmtUtils]: Spent 1.43 s on a formula simplification that was a NOOP. DAG size: 79 [2019-09-18 11:31:15,886 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-18 11:31:16,602 WARN L191 SmtUtils]: Spent 715.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-18 11:31:17,088 WARN L191 SmtUtils]: Spent 484.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-18 11:31:17,264 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-18 11:31:19,642 WARN L191 SmtUtils]: Spent 2.37 s on a formula simplification that was a NOOP. DAG size: 102 [2019-09-18 11:31:20,372 WARN L191 SmtUtils]: Spent 634.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-18 11:31:20,728 WARN L191 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-18 11:31:20,898 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-18 11:31:20,909 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 11:31:20,909 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 11:31:20,911 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 623#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-18 11:31:20,926 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 11:31:20,927 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 11:31:20,929 INFO L168 Benchmark]: Toolchain (without parser) took 66242.79 ms. Allocated memory was 142.1 MB in the beginning and 282.1 MB in the end (delta: 140.0 MB). Free memory was 90.2 MB in the beginning and 196.4 MB in the end (delta: -106.2 MB). Peak memory consumption was 33.8 MB. Max. memory is 7.1 GB. [2019-09-18 11:31:20,930 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 142.1 MB. Free memory was 108.2 MB in the beginning and 107.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-18 11:31:20,930 INFO L168 Benchmark]: CACSL2BoogieTranslator took 287.69 ms. Allocated memory is still 142.1 MB. Free memory was 90.0 MB in the beginning and 80.1 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-09-18 11:31:20,931 INFO L168 Benchmark]: Boogie Preprocessor took 120.57 ms. Allocated memory was 142.1 MB in the beginning and 200.3 MB in the end (delta: 58.2 MB). Free memory was 80.1 MB in the beginning and 177.3 MB in the end (delta: -97.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-09-18 11:31:20,932 INFO L168 Benchmark]: RCFGBuilder took 299.23 ms. Allocated memory is still 200.3 MB. Free memory was 177.3 MB in the beginning and 162.2 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 7.1 GB. [2019-09-18 11:31:20,933 INFO L168 Benchmark]: Sifa took 65531.77 ms. Allocated memory was 200.3 MB in the beginning and 282.1 MB in the end (delta: 81.8 MB). Free memory was 162.2 MB in the beginning and 196.4 MB in the end (delta: -34.2 MB). Peak memory consumption was 47.6 MB. Max. memory is 7.1 GB. [2019-09-18 11:31:20,937 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 142.1 MB. Free memory was 108.2 MB in the beginning and 107.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 287.69 ms. Allocated memory is still 142.1 MB. Free memory was 90.0 MB in the beginning and 80.1 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.57 ms. Allocated memory was 142.1 MB in the beginning and 200.3 MB in the end (delta: 58.2 MB). Free memory was 80.1 MB in the beginning and 177.3 MB in the end (delta: -97.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 299.23 ms. Allocated memory is still 200.3 MB. Free memory was 177.3 MB in the beginning and 162.2 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 7.1 GB. * Sifa took 65531.77 ms. Allocated memory was 200.3 MB in the beginning and 282.1 MB in the end (delta: 81.8 MB). Free memory was 162.2 MB in the beginning and 196.4 MB in the end (delta: -34.2 MB). Peak memory consumption was 47.6 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]: 65493, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 407, DAG_INTERPRETER_EARLY_EXITS: 24, TOOLS_POST_APPLICATIONS: 359, TOOLS_POST_TIME[ms]: 884, TOOLS_POST_CALL_APPLICATIONS: 35, TOOLS_POST_CALL_TIME[ms]: 249, TOOLS_POST_RETURN_APPLICATIONS: 31, TOOLS_POST_RETURN_TIME[ms]: 55, TOOLS_QUANTIFIERELIM_APPLICATIONS: 425, TOOLS_QUANTIFIERELIM_TIME[ms]: 1045, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 66, FLUID_QUERY_TIME[ms]: 15, FLUID_QUERIES: 429, FLUID_YES_ANSWERS: 38, DOMAIN_JOIN_APPLICATIONS: 57, DOMAIN_JOIN_TIME[ms]: 25332, DOMAIN_ALPHA_APPLICATIONS: 38, DOMAIN_ALPHA_TIME[ms]: 94, DOMAIN_WIDEN_APPLICATIONS: 9, DOMAIN_WIDEN_TIME[ms]: 36490, DOMAIN_ISSUBSETEQ_APPLICATIONS: 22, DOMAIN_ISSUBSETEQ_TIME[ms]: 2059, DOMAIN_ISBOTTOM_APPLICATIONS: 76, DOMAIN_ISBOTTOM_TIME[ms]: 108, LOOP_SUMMARIZER_APPLICATIONS: 13, LOOP_SUMMARIZER_CACHE_MISSES: 13, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 64771, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 64770, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 22, CALL_SUMMARIZER_APPLICATIONS: 31, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 74, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 73, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 94, DAG_COMPRESSION_PROCESSED_NODES: 755, DAG_COMPRESSION_RETAINED_NODES: 222 - UnprovableResult [Line: 9]: 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 623#(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...