java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem12_label16_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-0fd1304 [2018-10-24 01:15:28,902 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 01:15:28,907 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 01:15:28,925 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 01:15:28,926 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 01:15:28,929 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 01:15:28,931 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 01:15:28,934 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 01:15:28,936 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 01:15:28,936 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 01:15:28,937 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 01:15:28,937 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 01:15:28,938 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 01:15:28,939 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 01:15:28,940 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 01:15:28,941 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 01:15:28,942 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 01:15:28,944 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 01:15:28,946 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 01:15:28,948 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 01:15:28,949 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 01:15:28,950 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 01:15:28,952 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-24 01:15:28,959 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 01:15:28,959 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 01:15:28,960 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 01:15:28,961 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 01:15:28,961 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-10-24 01:15:28,976 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 01:15:28,976 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 01:15:28,977 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 01:15:28,977 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 01:15:28,978 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 01:15:28,978 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 01:15:28,978 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 01:15:28,978 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 01:15:28,978 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 01:15:28,979 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 01:15:28,979 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 01:15:28,979 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 01:15:28,980 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 01:15:28,980 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 01:15:28,980 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 01:15:28,980 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 01:15:28,980 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 01:15:28,981 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 01:15:28,981 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 01:15:28,981 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 01:15:28,981 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 01:15:28,981 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 01:15:28,982 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 01:15:28,982 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 01:15:28,982 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 01:15:28,982 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 01:15:28,982 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 01:15:28,983 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 01:15:28,983 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 01:15:28,983 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 01:15:28,983 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 01:15:28,983 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 01:15:28,983 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 01:15:28,984 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 01:15:29,037 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 01:15:29,056 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 01:15:29,062 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 01:15:29,063 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 01:15:29,064 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 01:15:29,064 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem12_label16_true-unreach-call.c [2018-10-24 01:15:29,134 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/330bc81ed/596e5b8358344da7bfaee02aba53f06c/FLAG5194fc286 [2018-10-24 01:15:29,968 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 01:15:29,969 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem12_label16_true-unreach-call.c [2018-10-24 01:15:30,000 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/330bc81ed/596e5b8358344da7bfaee02aba53f06c/FLAG5194fc286 [2018-10-24 01:15:30,018 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/330bc81ed/596e5b8358344da7bfaee02aba53f06c [2018-10-24 01:15:30,031 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 01:15:30,032 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 01:15:30,034 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 01:15:30,034 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 01:15:30,040 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 01:15:30,041 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:15:30" (1/1) ... [2018-10-24 01:15:30,045 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7897d110 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:15:30, skipping insertion in model container [2018-10-24 01:15:30,045 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:15:30" (1/1) ... [2018-10-24 01:15:30,057 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 01:15:30,219 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 01:15:31,469 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 01:15:31,475 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 01:15:32,180 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 01:15:32,217 INFO L193 MainTranslator]: Completed translation [2018-10-24 01:15:32,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:15:32 WrapperNode [2018-10-24 01:15:32,218 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 01:15:32,219 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 01:15:32,219 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 01:15:32,219 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 01:15:32,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:15:32" (1/1) ... [2018-10-24 01:15:32,294 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:15:32" (1/1) ... [2018-10-24 01:15:32,789 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 01:15:32,790 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 01:15:32,790 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 01:15:32,790 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 01:15:32,802 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:15:32" (1/1) ... [2018-10-24 01:15:32,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:15:32" (1/1) ... [2018-10-24 01:15:32,836 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:15:32" (1/1) ... [2018-10-24 01:15:32,837 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:15:32" (1/1) ... [2018-10-24 01:15:32,975 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:15:32" (1/1) ... [2018-10-24 01:15:33,025 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:15:32" (1/1) ... [2018-10-24 01:15:33,087 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:15:32" (1/1) ... [2018-10-24 01:15:33,150 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 01:15:33,150 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 01:15:33,151 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 01:15:33,151 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 01:15:33,154 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:15:32" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-24 01:15:33,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 01:15:33,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 01:15:33,233 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-10-24 01:15:33,233 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-10-24 01:15:33,233 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-10-24 01:15:33,233 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-10-24 01:15:33,234 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-24 01:15:33,235 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-24 01:15:33,235 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 01:15:33,235 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 01:15:33,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 01:15:33,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 01:15:33,237 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 01:15:33,237 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 01:15:44,157 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 01:15:44,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:15:44 BoogieIcfgContainer [2018-10-24 01:15:44,158 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 01:15:44,160 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 01:15:44,160 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 01:15:44,163 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 01:15:44,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 01:15:30" (1/3) ... [2018-10-24 01:15:44,165 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@486bba5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:15:44, skipping insertion in model container [2018-10-24 01:15:44,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:15:32" (2/3) ... [2018-10-24 01:15:44,165 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@486bba5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:15:44, skipping insertion in model container [2018-10-24 01:15:44,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:15:44" (3/3) ... [2018-10-24 01:15:44,168 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem12_label16_true-unreach-call.c [2018-10-24 01:15:44,177 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 01:15:44,186 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 01:15:44,205 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 01:15:44,251 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 01:15:44,251 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 01:15:44,251 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 01:15:44,252 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 01:15:44,252 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 01:15:44,252 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 01:15:44,252 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 01:15:44,252 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 01:15:44,292 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states. [2018-10-24 01:15:44,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-24 01:15:44,304 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:15:44,305 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 01:15:44,309 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:15:44,319 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:15:44,319 INFO L82 PathProgramCache]: Analyzing trace with hash -710124980, now seen corresponding path program 1 times [2018-10-24 01:15:44,323 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:15:44,381 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:15:44,381 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:15:44,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:15:44,382 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:15:44,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:15:44,997 WARN L179 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 01:15:45,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 01:15:45,154 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 01:15:45,155 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 01:15:45,155 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:15:45,161 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 01:15:45,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 01:15:45,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 01:15:45,181 INFO L87 Difference]: Start difference. First operand 840 states. Second operand 3 states. [2018-10-24 01:15:53,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:15:53,630 INFO L93 Difference]: Finished difference Result 2446 states and 4700 transitions. [2018-10-24 01:15:53,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 01:15:53,631 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 72 [2018-10-24 01:15:53,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:15:53,668 INFO L225 Difference]: With dead ends: 2446 [2018-10-24 01:15:53,669 INFO L226 Difference]: Without dead ends: 1604 [2018-10-24 01:15:53,682 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 01:15:53,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1604 states. [2018-10-24 01:15:53,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1604 to 1604. [2018-10-24 01:15:53,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1604 states. [2018-10-24 01:15:53,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1604 states to 1604 states and 2969 transitions. [2018-10-24 01:15:53,847 INFO L78 Accepts]: Start accepts. Automaton has 1604 states and 2969 transitions. Word has length 72 [2018-10-24 01:15:53,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:15:53,848 INFO L481 AbstractCegarLoop]: Abstraction has 1604 states and 2969 transitions. [2018-10-24 01:15:53,848 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 01:15:53,848 INFO L276 IsEmpty]: Start isEmpty. Operand 1604 states and 2969 transitions. [2018-10-24 01:15:53,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-10-24 01:15:53,858 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:15:53,858 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 01:15:53,859 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:15:53,859 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:15:53,859 INFO L82 PathProgramCache]: Analyzing trace with hash -377303342, now seen corresponding path program 1 times [2018-10-24 01:15:53,859 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:15:53,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:15:53,861 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:15:53,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:15:53,861 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:15:53,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:15:54,163 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 01:15:54,163 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 01:15:54,163 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 01:15:54,163 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:15:54,165 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 01:15:54,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 01:15:54,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 01:15:54,166 INFO L87 Difference]: Start difference. First operand 1604 states and 2969 transitions. Second operand 5 states. [2018-10-24 01:16:05,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:16:05,939 INFO L93 Difference]: Finished difference Result 4038 states and 7427 transitions. [2018-10-24 01:16:05,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 01:16:05,943 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 146 [2018-10-24 01:16:05,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:16:05,963 INFO L225 Difference]: With dead ends: 4038 [2018-10-24 01:16:05,963 INFO L226 Difference]: Without dead ends: 2440 [2018-10-24 01:16:05,968 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-24 01:16:05,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2440 states. [2018-10-24 01:16:06,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2440 to 2413. [2018-10-24 01:16:06,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2413 states. [2018-10-24 01:16:06,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2413 states to 2413 states and 4141 transitions. [2018-10-24 01:16:06,057 INFO L78 Accepts]: Start accepts. Automaton has 2413 states and 4141 transitions. Word has length 146 [2018-10-24 01:16:06,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:16:06,060 INFO L481 AbstractCegarLoop]: Abstraction has 2413 states and 4141 transitions. [2018-10-24 01:16:06,060 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 01:16:06,060 INFO L276 IsEmpty]: Start isEmpty. Operand 2413 states and 4141 transitions. [2018-10-24 01:16:06,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-10-24 01:16:06,066 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:16:06,067 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 01:16:06,067 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:16:06,067 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:16:06,068 INFO L82 PathProgramCache]: Analyzing trace with hash 719530862, now seen corresponding path program 1 times [2018-10-24 01:16:06,068 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:16:06,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:16:06,074 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:16:06,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:16:06,074 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:16:06,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:16:06,256 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 01:16:06,256 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 01:16:06,256 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 01:16:06,257 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:16:06,257 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 01:16:06,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 01:16:06,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 01:16:06,258 INFO L87 Difference]: Start difference. First operand 2413 states and 4141 transitions. Second operand 4 states. [2018-10-24 01:16:15,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:16:15,832 INFO L93 Difference]: Finished difference Result 9492 states and 16754 transitions. [2018-10-24 01:16:15,842 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 01:16:15,842 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2018-10-24 01:16:15,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:16:15,891 INFO L225 Difference]: With dead ends: 9492 [2018-10-24 01:16:15,892 INFO L226 Difference]: Without dead ends: 7085 [2018-10-24 01:16:15,906 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 01:16:15,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7085 states. [2018-10-24 01:16:16,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7085 to 7085. [2018-10-24 01:16:16,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7085 states. [2018-10-24 01:16:16,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7085 states to 7085 states and 11749 transitions. [2018-10-24 01:16:16,133 INFO L78 Accepts]: Start accepts. Automaton has 7085 states and 11749 transitions. Word has length 148 [2018-10-24 01:16:16,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:16:16,134 INFO L481 AbstractCegarLoop]: Abstraction has 7085 states and 11749 transitions. [2018-10-24 01:16:16,134 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 01:16:16,134 INFO L276 IsEmpty]: Start isEmpty. Operand 7085 states and 11749 transitions. [2018-10-24 01:16:16,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-10-24 01:16:16,140 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:16:16,142 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 01:16:16,142 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:16:16,143 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:16:16,143 INFO L82 PathProgramCache]: Analyzing trace with hash -1702645438, now seen corresponding path program 1 times [2018-10-24 01:16:16,143 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:16:16,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:16:16,144 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:16:16,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:16:16,144 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:16:16,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:16:16,431 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 01:16:16,555 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 01:16:16,556 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 01:16:16,556 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 01:16:16,556 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:16:16,557 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 01:16:16,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 01:16:16,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 01:16:16,558 INFO L87 Difference]: Start difference. First operand 7085 states and 11749 transitions. Second operand 6 states. [2018-10-24 01:16:27,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:16:27,460 INFO L93 Difference]: Finished difference Result 15965 states and 26509 transitions. [2018-10-24 01:16:27,460 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 01:16:27,460 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 154 [2018-10-24 01:16:27,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:16:27,506 INFO L225 Difference]: With dead ends: 15965 [2018-10-24 01:16:27,506 INFO L226 Difference]: Without dead ends: 8886 [2018-10-24 01:16:27,536 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-24 01:16:27,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8886 states. [2018-10-24 01:16:27,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8886 to 8848. [2018-10-24 01:16:27,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8848 states. [2018-10-24 01:16:27,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8848 states to 8848 states and 14005 transitions. [2018-10-24 01:16:27,758 INFO L78 Accepts]: Start accepts. Automaton has 8848 states and 14005 transitions. Word has length 154 [2018-10-24 01:16:27,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:16:27,759 INFO L481 AbstractCegarLoop]: Abstraction has 8848 states and 14005 transitions. [2018-10-24 01:16:27,759 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 01:16:27,759 INFO L276 IsEmpty]: Start isEmpty. Operand 8848 states and 14005 transitions. [2018-10-24 01:16:27,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-10-24 01:16:27,764 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:16:27,764 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 01:16:27,764 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:16:27,764 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:16:27,765 INFO L82 PathProgramCache]: Analyzing trace with hash -901803398, now seen corresponding path program 1 times [2018-10-24 01:16:27,765 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:16:27,766 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:16:27,766 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:16:27,766 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:16:27,766 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:16:27,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:16:27,999 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 01:16:28,000 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 01:16:28,000 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 01:16:28,000 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:16:28,001 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 01:16:28,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 01:16:28,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-24 01:16:28,002 INFO L87 Difference]: Start difference. First operand 8848 states and 14005 transitions. Second operand 5 states. [2018-10-24 01:16:35,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:16:35,963 INFO L93 Difference]: Finished difference Result 26985 states and 44144 transitions. [2018-10-24 01:16:35,964 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-24 01:16:35,964 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 158 [2018-10-24 01:16:35,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:16:36,051 INFO L225 Difference]: With dead ends: 26985 [2018-10-24 01:16:36,051 INFO L226 Difference]: Without dead ends: 18143 [2018-10-24 01:16:36,084 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 01:16:36,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18143 states. [2018-10-24 01:16:36,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18143 to 17975. [2018-10-24 01:16:36,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17975 states. [2018-10-24 01:16:36,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17975 states to 17975 states and 26771 transitions. [2018-10-24 01:16:36,492 INFO L78 Accepts]: Start accepts. Automaton has 17975 states and 26771 transitions. Word has length 158 [2018-10-24 01:16:36,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:16:36,493 INFO L481 AbstractCegarLoop]: Abstraction has 17975 states and 26771 transitions. [2018-10-24 01:16:36,493 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 01:16:36,493 INFO L276 IsEmpty]: Start isEmpty. Operand 17975 states and 26771 transitions. [2018-10-24 01:16:36,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-10-24 01:16:36,504 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:16:36,504 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 01:16:36,504 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:16:36,505 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:16:36,505 INFO L82 PathProgramCache]: Analyzing trace with hash 1738437273, now seen corresponding path program 1 times [2018-10-24 01:16:36,505 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:16:36,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:16:36,506 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:16:36,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:16:36,506 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:16:36,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:16:36,801 WARN L179 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 01:16:37,189 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 130 proven. 81 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-24 01:16:37,189 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 01:16:37,189 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 01:16:37,190 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 262 with the following transitions: [2018-10-24 01:16:37,193 INFO L202 CegarAbsIntRunner]: [0], [1], [1868], [1875], [1883], [1891], [1899], [1907], [1915], [1923], [1931], [1939], [1947], [1955], [1963], [1971], [1979], [1987], [1995], [2003], [2011], [2019], [2027], [2035], [2043], [2051], [2059], [2067], [2075], [2083], [2091], [2099], [2107], [2115], [2123], [2131], [2139], [2147], [2155], [2163], [2171], [2179], [2187], [2195], [2203], [2211], [2219], [2227], [2235], [2243], [2251], [2259], [2267], [2275], [2283], [2291], [2299], [2307], [2315], [2323], [2331], [2339], [2343], [2345], [2348], [2356], [2361], [2365], [2369], [2373], [2377], [2381], [2385], [2389], [2393], [2397], [2401], [2405], [2409], [2413], [2417], [2421], [2424], [2425], [2429], [2433], [2437], [2441], [2445], [2449], [2453], [2457], [2461], [2465], [2469], [2473], [2477], [2481], [2485], [2489], [2492], [3240], [3244], [3248], [3254], [3258], [3260], [3271], [3272], [3273], [3275], [3276] [2018-10-24 01:16:37,262 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 01:16:37,263 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 01:16:40,704 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 01:16:40,706 INFO L272 AbstractInterpreter]: Visited 108 different actions 108 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-10-24 01:16:40,721 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:16:40,721 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 01:16:43,667 INFO L232 lantSequenceWeakener]: Weakened 253 states. On average, predicates are now at 75.92% of their original sizes. [2018-10-24 01:16:43,667 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 01:16:44,327 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 01:16:44,331 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 01:16:44,331 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2018-10-24 01:16:44,331 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:16:44,332 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-24 01:16:44,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-24 01:16:44,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-10-24 01:16:44,332 INFO L87 Difference]: Start difference. First operand 17975 states and 26771 transitions. Second operand 8 states. [2018-10-24 01:16:48,068 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 01:18:15,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:18:15,963 INFO L93 Difference]: Finished difference Result 36714 states and 54563 transitions. [2018-10-24 01:18:15,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 01:18:15,963 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 261 [2018-10-24 01:18:15,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:18:16,014 INFO L225 Difference]: With dead ends: 36714 [2018-10-24 01:18:16,015 INFO L226 Difference]: Without dead ends: 18745 [2018-10-24 01:18:16,056 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 262 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-10-24 01:18:16,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18745 states. [2018-10-24 01:18:16,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18745 to 18743. [2018-10-24 01:18:16,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18743 states. [2018-10-24 01:18:16,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18743 states to 18743 states and 27552 transitions. [2018-10-24 01:18:16,526 INFO L78 Accepts]: Start accepts. Automaton has 18743 states and 27552 transitions. Word has length 261 [2018-10-24 01:18:16,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:18:16,527 INFO L481 AbstractCegarLoop]: Abstraction has 18743 states and 27552 transitions. [2018-10-24 01:18:16,527 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-24 01:18:16,528 INFO L276 IsEmpty]: Start isEmpty. Operand 18743 states and 27552 transitions. [2018-10-24 01:18:16,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2018-10-24 01:18:16,547 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:18:16,547 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 01:18:16,548 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:18:16,548 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:18:16,548 INFO L82 PathProgramCache]: Analyzing trace with hash -1680591689, now seen corresponding path program 1 times [2018-10-24 01:18:16,548 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:18:16,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:18:16,549 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:18:16,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:18:16,550 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:18:16,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:18:17,186 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 274 proven. 85 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-10-24 01:18:17,187 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 01:18:17,187 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 01:18:17,187 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 338 with the following transitions: [2018-10-24 01:18:17,188 INFO L202 CegarAbsIntRunner]: [0], [1], [1868], [1875], [1883], [1891], [1899], [1907], [1915], [1923], [1931], [1939], [1947], [1955], [1963], [1971], [1979], [1987], [1995], [2003], [2011], [2019], [2027], [2035], [2043], [2051], [2059], [2067], [2075], [2083], [2091], [2099], [2107], [2115], [2123], [2131], [2139], [2147], [2155], [2163], [2171], [2179], [2187], [2195], [2203], [2211], [2219], [2227], [2235], [2243], [2251], [2259], [2267], [2275], [2283], [2291], [2299], [2307], [2315], [2323], [2331], [2339], [2343], [2345], [2348], [2356], [2361], [2365], [2369], [2373], [2377], [2381], [2384], [2385], [2389], [2393], [2397], [2401], [2405], [2409], [2413], [2417], [2421], [2424], [2425], [2429], [2433], [2437], [2441], [2445], [2449], [2453], [2457], [2461], [2465], [2469], [2473], [2477], [2481], [2485], [2489], [2492], [3240], [3244], [3248], [3254], [3258], [3260], [3271], [3272], [3273], [3275], [3276] [2018-10-24 01:18:17,200 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 01:18:17,201 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 01:18:23,159 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 01:18:23,160 INFO L272 AbstractInterpreter]: Visited 112 different actions 217 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-10-24 01:18:23,168 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:18:23,168 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 01:18:26,749 INFO L232 lantSequenceWeakener]: Weakened 232 states. On average, predicates are now at 76.14% of their original sizes. [2018-10-24 01:18:26,749 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 01:18:47,247 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 01:18:47,247 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 01:18:47,247 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [25] imperfect sequences [6] total 29 [2018-10-24 01:18:47,248 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:18:47,248 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-10-24 01:18:47,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-10-24 01:18:47,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=457, Unknown=0, NotChecked=0, Total=600 [2018-10-24 01:18:47,249 INFO L87 Difference]: Start difference. First operand 18743 states and 27552 transitions. Second operand 25 states. Received shutdown request... [2018-10-24 01:19:11,812 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-24 01:19:11,812 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 01:19:11,818 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 01:19:11,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 01:19:11 BoogieIcfgContainer [2018-10-24 01:19:11,818 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 01:19:11,819 INFO L168 Benchmark]: Toolchain (without parser) took 221787.69 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.5 GB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -224.0 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2018-10-24 01:19:11,820 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 01:19:11,821 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2184.93 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 200.8 MB). Peak memory consumption was 200.8 MB. Max. memory is 7.1 GB. [2018-10-24 01:19:11,822 INFO L168 Benchmark]: Boogie Procedure Inliner took 570.52 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 759.2 MB). Free memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 68.7 MB. Max. memory is 7.1 GB. [2018-10-24 01:19:11,823 INFO L168 Benchmark]: Boogie Preprocessor took 359.86 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 38.8 MB). Peak memory consumption was 38.8 MB. Max. memory is 7.1 GB. [2018-10-24 01:19:11,823 INFO L168 Benchmark]: RCFGBuilder took 11008.15 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.5 GB in the end (delta: 656.0 MB). Peak memory consumption was 656.0 MB. Max. memory is 7.1 GB. [2018-10-24 01:19:11,824 INFO L168 Benchmark]: TraceAbstraction took 207658.50 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: -126.3 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2018-10-24 01:19:11,829 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2184.93 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 200.8 MB). Peak memory consumption was 200.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 570.52 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 759.2 MB). Free memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 68.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 359.86 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 38.8 MB). Peak memory consumption was 38.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 11008.15 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.5 GB in the end (delta: 656.0 MB). Peak memory consumption was 656.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 207658.50 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: -126.3 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 207]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 207). Cancelled while BasicCegarLoop was constructing difference of abstraction (18743states) and FLOYD_HOARE automaton (currently 9 states, 25 states before enhancement),while ReachableStatesComputation was computing reachable states (72 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 840 locations, 1 error locations. TIMEOUT Result, 207.5s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 165.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1800 SDtfs, 13620 SDslu, 847 SDs, 0 SdLazy, 24240 SolverSat, 5380 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 106.3s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 638 GetRequests, 570 SyntacticMatches, 13 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 23.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18743occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 9.5s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9960893133711924 AbsIntWeakeningRatio, 0.10067114093959731 AbsIntAvgWeakeningVarsNumRemoved, 786.255033557047 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 6 MinimizatonAttempts, 235 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 1276 NumberOfCodeBlocks, 1276 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1269 ConstructedInterpolants, 0 QuantifiedInterpolants, 635997 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 743/909 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown