java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -s config/svcomp-Reach-32bit-Automizer_Default.epf --rcfgbuilder.command.for.external.solver 'z3 SMTLIB2_COMPLIANT=true -memory:4096 -smt2 -in -t:12000' -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --rcfgbuilder.size.of.a.code.block SingleStatement -i /storage/repos/svcomp/c/array-examples/sanfoundry_24_true-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-7aa59a0 [2019-05-23 11:16:35,940 INFO L146 ILogger]: Resetting all preferences to default values... [2019-05-23 11:16:35,942 INFO L146 ILogger]: Resetting UltimateCore preferences to default values [2019-05-23 11:16:35,958 INFO L146 ILogger]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-05-23 11:16:35,958 INFO L146 ILogger]: Resetting Boogie Preprocessor preferences to default values [2019-05-23 11:16:35,961 INFO L146 ILogger]: Resetting Boogie Procedure Inliner preferences to default values [2019-05-23 11:16:35,964 INFO L146 ILogger]: Resetting Abstract Interpretation preferences to default values [2019-05-23 11:16:35,966 INFO L146 ILogger]: Resetting LassoRanker preferences to default values [2019-05-23 11:16:35,969 INFO L146 ILogger]: Resetting Reaching Definitions preferences to default values [2019-05-23 11:16:35,972 INFO L146 ILogger]: Resetting SyntaxChecker preferences to default values [2019-05-23 11:16:35,973 INFO L146 ILogger]: Büchi Program Product provides no preferences, ignoring... [2019-05-23 11:16:35,973 INFO L146 ILogger]: Resetting LTL2Aut preferences to default values [2019-05-23 11:16:35,974 INFO L146 ILogger]: Resetting PEA to Boogie preferences to default values [2019-05-23 11:16:35,976 INFO L146 ILogger]: Resetting BlockEncodingV2 preferences to default values [2019-05-23 11:16:35,983 INFO L146 ILogger]: Resetting ChcToBoogie preferences to default values [2019-05-23 11:16:35,984 INFO L146 ILogger]: Resetting AutomataScriptInterpreter preferences to default values [2019-05-23 11:16:35,987 INFO L146 ILogger]: Resetting BuchiAutomizer preferences to default values [2019-05-23 11:16:35,991 INFO L146 ILogger]: Resetting CACSL2BoogieTranslator preferences to default values [2019-05-23 11:16:35,993 INFO L146 ILogger]: Resetting CodeCheck preferences to default values [2019-05-23 11:16:35,997 INFO L146 ILogger]: Resetting InvariantSynthesis preferences to default values [2019-05-23 11:16:36,001 INFO L146 ILogger]: Resetting RCFGBuilder preferences to default values [2019-05-23 11:16:36,002 INFO L146 ILogger]: Resetting TraceAbstraction preferences to default values [2019-05-23 11:16:36,007 INFO L146 ILogger]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-05-23 11:16:36,007 INFO L146 ILogger]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-05-23 11:16:36,007 INFO L146 ILogger]: Resetting TreeAutomizer preferences to default values [2019-05-23 11:16:36,008 INFO L146 ILogger]: Resetting IcfgToChc preferences to default values [2019-05-23 11:16:36,009 INFO L146 ILogger]: Resetting IcfgTransformer preferences to default values [2019-05-23 11:16:36,010 INFO L146 ILogger]: ReqToTest provides no preferences, ignoring... [2019-05-23 11:16:36,010 INFO L146 ILogger]: Resetting Boogie Printer preferences to default values [2019-05-23 11:16:36,011 INFO L146 ILogger]: Resetting ChcSmtPrinter preferences to default values [2019-05-23 11:16:36,012 INFO L146 ILogger]: Resetting ReqPrinter preferences to default values [2019-05-23 11:16:36,012 INFO L146 ILogger]: Resetting Witness Printer preferences to default values [2019-05-23 11:16:36,014 INFO L146 ILogger]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-05-23 11:16:36,014 INFO L146 ILogger]: Resetting CDTParser preferences to default values [2019-05-23 11:16:36,015 INFO L146 ILogger]: AutomataScriptParser provides no preferences, ignoring... [2019-05-23 11:16:36,015 INFO L146 ILogger]: ReqParser provides no preferences, ignoring... [2019-05-23 11:16:36,015 INFO L146 ILogger]: Resetting SmtParser preferences to default values [2019-05-23 11:16:36,016 INFO L146 ILogger]: Resetting Witness Parser preferences to default values [2019-05-23 11:16:36,017 INFO L146 ILogger]: Finished resetting all preferences to default values... [2019-05-23 11:16:36,017 INFO L146 ILogger]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-05-23 11:16:36,032 INFO L146 ILogger]: Loading preferences was successful [2019-05-23 11:16:36,032 INFO L146 ILogger]: Preferences different from defaults after loading the file: [2019-05-23 11:16:36,033 INFO L146 ILogger]: Preferences of BlockEncodingV2 differ from their defaults: [2019-05-23 11:16:36,034 INFO L146 ILogger]: * Create parallel compositions if possible=false [2019-05-23 11:16:36,034 INFO L146 ILogger]: * Use SBE=true [2019-05-23 11:16:36,034 INFO L146 ILogger]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-05-23 11:16:36,034 INFO L146 ILogger]: * sizeof long=4 [2019-05-23 11:16:36,034 INFO L146 ILogger]: * Overapproximate operations on floating types=true [2019-05-23 11:16:36,035 INFO L146 ILogger]: * sizeof POINTER=4 [2019-05-23 11:16:36,035 INFO L146 ILogger]: * Check division by zero=IGNORE [2019-05-23 11:16:36,035 INFO L146 ILogger]: * Pointer to allocated memory at dereference=IGNORE [2019-05-23 11:16:36,035 INFO L146 ILogger]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-05-23 11:16:36,035 INFO L146 ILogger]: * Check array bounds for arrays that are off heap=IGNORE [2019-05-23 11:16:36,036 INFO L146 ILogger]: * sizeof long double=12 [2019-05-23 11:16:36,036 INFO L146 ILogger]: * Check if freed pointer was valid=false [2019-05-23 11:16:36,036 INFO L146 ILogger]: * Use constant arrays=true [2019-05-23 11:16:36,036 INFO L146 ILogger]: * Pointer base address is valid at dereference=IGNORE [2019-05-23 11:16:36,036 INFO L146 ILogger]: Preferences of RCFGBuilder differ from their defaults: [2019-05-23 11:16:36,036 INFO L146 ILogger]: * Size of a code block=SequenceOfStatements [2019-05-23 11:16:36,037 INFO L146 ILogger]: * To the following directory=./dump/ [2019-05-23 11:16:36,037 INFO L146 ILogger]: * SMT solver=External_DefaultMode [2019-05-23 11:16:36,037 INFO L146 ILogger]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-05-23 11:16:36,037 INFO L146 ILogger]: Preferences of TraceAbstraction differ from their defaults: [2019-05-23 11:16:36,037 INFO L146 ILogger]: * Compute Interpolants along a Counterexample=FPandBP [2019-05-23 11:16:36,038 INFO L146 ILogger]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-05-23 11:16:36,038 INFO L146 ILogger]: * Trace refinement strategy=CAMEL [2019-05-23 11:16:36,038 INFO L146 ILogger]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-05-23 11:16:36,038 INFO L146 ILogger]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-05-23 11:16:36,039 INFO L146 ILogger]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Command for external solver -> z3 SMTLIB2_COMPLIANT=true -memory:4096 -smt2 -in -t:12000 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement [2019-05-23 11:16:36,072 INFO L146 ILogger]: Repository-Root is: /tmp [2019-05-23 11:16:36,088 INFO L146 ILogger]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-05-23 11:16:36,092 INFO L146 ILogger]: [Toolchain 1]: Toolchain selected. [2019-05-23 11:16:36,093 INFO L146 ILogger]: Initializing CDTParser... [2019-05-23 11:16:36,093 INFO L146 ILogger]: CDTParser initialized [2019-05-23 11:16:36,094 INFO L146 ILogger]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/array-examples/sanfoundry_24_true-unreach-call_true-termination.i [2019-05-23 11:16:36,147 INFO L146 ILogger]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/237a9c8cf/07094d7a928e4a64b8cdc74965f7e9e2/FLAG24dd05bea [2019-05-23 11:16:36,600 INFO L146 ILogger]: Found 1 translation units. [2019-05-23 11:16:36,601 INFO L146 ILogger]: Scanning /storage/repos/svcomp/c/array-examples/sanfoundry_24_true-unreach-call_true-termination.i [2019-05-23 11:16:36,614 INFO L146 ILogger]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/237a9c8cf/07094d7a928e4a64b8cdc74965f7e9e2/FLAG24dd05bea [2019-05-23 11:16:36,951 INFO L146 ILogger]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/237a9c8cf/07094d7a928e4a64b8cdc74965f7e9e2 [2019-05-23 11:16:36,961 INFO L146 ILogger]: ####################### [Toolchain 1] ####################### [2019-05-23 11:16:36,963 INFO L146 ILogger]: Walking toolchain with 5 elements. [2019-05-23 11:16:36,964 INFO L146 ILogger]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-05-23 11:16:36,964 INFO L146 ILogger]: Initializing CACSL2BoogieTranslator... [2019-05-23 11:16:36,967 INFO L146 ILogger]: CACSL2BoogieTranslator initialized [2019-05-23 11:16:36,968 INFO L146 ILogger]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.05 11:16:36" (1/1) ... [2019-05-23 11:16:36,971 INFO L146 ILogger]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bc56246 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:16:36, skipping insertion in model container [2019-05-23 11:16:36,971 INFO L146 ILogger]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.05 11:16:36" (1/1) ... [2019-05-23 11:16:36,979 INFO L146 ILogger]: Starting translation in SV-COMP mode [2019-05-23 11:16:37,000 INFO L146 ILogger]: Built tables and reachable declarations [2019-05-23 11:16:37,162 INFO L146 ILogger]: Analyzing one entry point: main [2019-05-23 11:16:37,166 INFO L146 ILogger]: Completed pre-run [2019-05-23 11:16:37,190 INFO L146 ILogger]: Analyzing one entry point: main [2019-05-23 11:16:37,211 INFO L146 ILogger]: Completed translation [2019-05-23 11:16:37,212 INFO L146 ILogger]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:16:37 WrapperNode [2019-05-23 11:16:37,212 INFO L146 ILogger]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-05-23 11:16:37,212 INFO L146 ILogger]: ------------------------Boogie Procedure Inliner---------------------------- [2019-05-23 11:16:37,213 INFO L146 ILogger]: Initializing Boogie Procedure Inliner... [2019-05-23 11:16:37,213 INFO L146 ILogger]: Boogie Procedure Inliner initialized [2019-05-23 11:16:37,222 INFO L146 ILogger]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:16:37" (1/1) ... [2019-05-23 11:16:37,230 INFO L146 ILogger]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:16:37" (1/1) ... [2019-05-23 11:16:37,254 INFO L146 ILogger]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-05-23 11:16:37,254 INFO L146 ILogger]: ------------------------Boogie Preprocessor---------------------------- [2019-05-23 11:16:37,254 INFO L146 ILogger]: Initializing Boogie Preprocessor... [2019-05-23 11:16:37,255 INFO L146 ILogger]: Boogie Preprocessor initialized [2019-05-23 11:16:37,262 INFO L146 ILogger]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:16:37" (1/1) ... [2019-05-23 11:16:37,262 INFO L146 ILogger]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:16:37" (1/1) ... [2019-05-23 11:16:37,264 INFO L146 ILogger]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:16:37" (1/1) ... [2019-05-23 11:16:37,264 INFO L146 ILogger]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:16:37" (1/1) ... [2019-05-23 11:16:37,270 INFO L146 ILogger]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:16:37" (1/1) ... [2019-05-23 11:16:37,275 INFO L146 ILogger]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:16:37" (1/1) ... [2019-05-23 11:16:37,277 INFO L146 ILogger]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:16:37" (1/1) ... [2019-05-23 11:16:37,279 INFO L146 ILogger]: ------------------------ END Boogie Preprocessor---------------------------- [2019-05-23 11:16:37,279 INFO L146 ILogger]: ------------------------RCFGBuilder---------------------------- [2019-05-23 11:16:37,279 INFO L146 ILogger]: Initializing RCFGBuilder... [2019-05-23 11:16:37,280 INFO L146 ILogger]: RCFGBuilder initialized [2019-05-23 11:16:37,280 INFO L146 ILogger]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:16:37" (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:4096 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4096 -smt2 -in -t:12000 [2019-05-23 11:16:37,415 INFO L146 ILogger]: Found specification of procedure ULTIMATE.start [2019-05-23 11:16:37,415 INFO L146 ILogger]: Found implementation of procedure ULTIMATE.start [2019-05-23 11:16:37,415 INFO L146 ILogger]: Found specification of procedure read~int [2019-05-23 11:16:37,415 INFO L146 ILogger]: Found specification of procedure #Ultimate.allocOnStack [2019-05-23 11:16:37,416 INFO L146 ILogger]: Found specification of procedure ULTIMATE.dealloc [2019-05-23 11:16:37,868 INFO L146 ILogger]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-05-23 11:16:37,868 INFO L146 ILogger]: Removed 14 assume(true) statements. [2019-05-23 11:16:37,869 INFO L146 ILogger]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.05 11:16:37 BoogieIcfgContainer [2019-05-23 11:16:37,870 INFO L146 ILogger]: ------------------------ END RCFGBuilder---------------------------- [2019-05-23 11:16:37,871 INFO L146 ILogger]: ------------------------TraceAbstraction---------------------------- [2019-05-23 11:16:37,871 INFO L146 ILogger]: Initializing TraceAbstraction... [2019-05-23 11:16:37,874 INFO L146 ILogger]: TraceAbstraction initialized [2019-05-23 11:16:37,874 INFO L146 ILogger]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.05 11:16:36" (1/3) ... [2019-05-23 11:16:37,875 INFO L146 ILogger]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fa1f3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.05 11:16:37, skipping insertion in model container [2019-05-23 11:16:37,875 INFO L146 ILogger]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:16:37" (2/3) ... [2019-05-23 11:16:37,875 INFO L146 ILogger]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fa1f3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.05 11:16:37, skipping insertion in model container [2019-05-23 11:16:37,876 INFO L146 ILogger]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.05 11:16:37" (3/3) ... [2019-05-23 11:16:37,877 INFO L146 ILogger]: Analyzing ICFG sanfoundry_24_true-unreach-call_true-termination.i [2019-05-23 11:16:37,886 INFO L146 ILogger]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-05-23 11:16:37,894 INFO L146 ILogger]: Appying trace abstraction to program that has 2 error locations. [2019-05-23 11:16:37,910 INFO L146 ILogger]: Starting to check reachability of 2 error locations. [2019-05-23 11:16:37,939 INFO L146 ILogger]: Using default assertion order modulation [2019-05-23 11:16:37,940 INFO L146 ILogger]: Interprodecural is true [2019-05-23 11:16:37,940 INFO L146 ILogger]: Hoare is true [2019-05-23 11:16:37,941 INFO L146 ILogger]: Compute interpolants for FPandBP [2019-05-23 11:16:37,941 INFO L146 ILogger]: Backedges is STRAIGHT_LINE [2019-05-23 11:16:37,941 INFO L146 ILogger]: Determinization is PREDICATE_ABSTRACTION [2019-05-23 11:16:37,941 INFO L146 ILogger]: Difference is false [2019-05-23 11:16:37,941 INFO L146 ILogger]: Minimize is MINIMIZE_SEVPA [2019-05-23 11:16:37,941 INFO L146 ILogger]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-05-23 11:16:37,957 INFO L146 ILogger]: Start isEmpty. Operand 55 states. [2019-05-23 11:16:37,964 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 24 [2019-05-23 11:16:37,964 INFO L146 ILogger]: Found error trace [2019-05-23 11:16:37,965 INFO L146 ILogger]: 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] [2019-05-23 11:16:37,967 INFO L146 ILogger]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-05-23 11:16:37,971 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 11:16:37,972 INFO L146 ILogger]: Analyzing trace with hash -750226219, now seen corresponding path program 1 times [2019-05-23 11:16:37,973 INFO L146 ILogger]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-05-23 11:16:37,974 INFO L146 ILogger]: Using refinement strategy CamelRefinementStrategy [2019-05-23 11:16:38,021 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:16:38,021 INFO L146 ILogger]: Keeping assertion order NOT_INCREMENTALLY [2019-05-23 11:16:38,021 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:16:38,106 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 11:16:38,688 INFO L146 ILogger]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 11:16:38,691 INFO L146 ILogger]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-05-23 11:16:38,691 INFO L146 ILogger]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-05-23 11:16:38,695 INFO L146 ILogger]: Interpolant automaton has 9 states [2019-05-23 11:16:38,709 INFO L146 ILogger]: Constructing interpolant automaton starting with 9 interpolants. [2019-05-23 11:16:38,710 INFO L146 ILogger]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-05-23 11:16:38,712 INFO L146 ILogger]: Start difference. First operand 55 states. Second operand 9 states. [2019-05-23 11:16:39,047 WARN L146 ILogger]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2019-05-23 11:16:39,893 WARN L146 ILogger]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2019-05-23 11:16:40,365 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 11:16:40,365 INFO L146 ILogger]: Finished difference Result 179 states and 203 transitions. [2019-05-23 11:16:40,371 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-05-23 11:16:40,372 INFO L146 ILogger]: Start accepts. Automaton has 9 states. Word has length 23 [2019-05-23 11:16:40,373 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 11:16:40,389 INFO L146 ILogger]: With dead ends: 179 [2019-05-23 11:16:40,389 INFO L146 ILogger]: Without dead ends: 110 [2019-05-23 11:16:40,393 INFO L146 ILogger]: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=127, Invalid=335, Unknown=0, NotChecked=0, Total=462 [2019-05-23 11:16:40,417 INFO L146 ILogger]: Start minimizeSevpa. Operand 110 states. [2019-05-23 11:16:40,444 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 110 to 47. [2019-05-23 11:16:40,447 INFO L146 ILogger]: Start removeUnreachable. Operand 47 states. [2019-05-23 11:16:40,449 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 47 states to 47 states and 50 transitions. [2019-05-23 11:16:40,452 INFO L146 ILogger]: Start accepts. Automaton has 47 states and 50 transitions. Word has length 23 [2019-05-23 11:16:40,452 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 11:16:40,454 INFO L146 ILogger]: Abstraction has 47 states and 50 transitions. [2019-05-23 11:16:40,454 INFO L146 ILogger]: Interpolant automaton has 9 states. [2019-05-23 11:16:40,454 INFO L146 ILogger]: Start isEmpty. Operand 47 states and 50 transitions. [2019-05-23 11:16:40,456 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 26 [2019-05-23 11:16:40,456 INFO L146 ILogger]: Found error trace [2019-05-23 11:16:40,456 INFO L146 ILogger]: 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] [2019-05-23 11:16:40,456 INFO L146 ILogger]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-05-23 11:16:40,457 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 11:16:40,457 INFO L146 ILogger]: Analyzing trace with hash 2017908571, now seen corresponding path program 1 times [2019-05-23 11:16:40,458 INFO L146 ILogger]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-05-23 11:16:40,458 INFO L146 ILogger]: Using refinement strategy CamelRefinementStrategy [2019-05-23 11:16:40,459 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:16:40,459 INFO L146 ILogger]: Keeping assertion order NOT_INCREMENTALLY [2019-05-23 11:16:40,461 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:16:40,500 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 11:16:40,687 INFO L146 ILogger]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 11:16:40,688 INFO L146 ILogger]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-05-23 11:16:40,688 INFO L146 ILogger]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-05-23 11:16:40,690 INFO L146 ILogger]: Interpolant automaton has 5 states [2019-05-23 11:16:40,690 INFO L146 ILogger]: Constructing interpolant automaton starting with 5 interpolants. [2019-05-23 11:16:40,690 INFO L146 ILogger]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-05-23 11:16:40,691 INFO L146 ILogger]: Start difference. First operand 47 states and 50 transitions. Second operand 5 states. [2019-05-23 11:16:40,954 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 11:16:40,954 INFO L146 ILogger]: Finished difference Result 102 states and 109 transitions. [2019-05-23 11:16:40,955 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-05-23 11:16:40,956 INFO L146 ILogger]: Start accepts. Automaton has 5 states. Word has length 25 [2019-05-23 11:16:40,956 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 11:16:40,957 INFO L146 ILogger]: With dead ends: 102 [2019-05-23 11:16:40,957 INFO L146 ILogger]: Without dead ends: 81 [2019-05-23 11:16:40,960 INFO L146 ILogger]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-05-23 11:16:40,961 INFO L146 ILogger]: Start minimizeSevpa. Operand 81 states. [2019-05-23 11:16:40,970 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 81 to 48. [2019-05-23 11:16:40,970 INFO L146 ILogger]: Start removeUnreachable. Operand 48 states. [2019-05-23 11:16:40,971 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 48 states to 48 states and 51 transitions. [2019-05-23 11:16:40,972 INFO L146 ILogger]: Start accepts. Automaton has 48 states and 51 transitions. Word has length 25 [2019-05-23 11:16:40,972 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 11:16:40,972 INFO L146 ILogger]: Abstraction has 48 states and 51 transitions. [2019-05-23 11:16:40,972 INFO L146 ILogger]: Interpolant automaton has 5 states. [2019-05-23 11:16:40,973 INFO L146 ILogger]: Start isEmpty. Operand 48 states and 51 transitions. [2019-05-23 11:16:40,974 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 33 [2019-05-23 11:16:40,974 INFO L146 ILogger]: Found error trace [2019-05-23 11:16:40,974 INFO L146 ILogger]: 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] [2019-05-23 11:16:40,974 INFO L146 ILogger]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-05-23 11:16:40,975 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 11:16:40,977 INFO L146 ILogger]: Analyzing trace with hash -1266569574, now seen corresponding path program 1 times [2019-05-23 11:16:40,977 INFO L146 ILogger]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-05-23 11:16:40,977 INFO L146 ILogger]: Using refinement strategy CamelRefinementStrategy [2019-05-23 11:16:40,978 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:16:40,978 INFO L146 ILogger]: Keeping assertion order NOT_INCREMENTALLY [2019-05-23 11:16:40,978 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:16:41,027 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 11:16:41,268 INFO L146 ILogger]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-05-23 11:16:41,269 INFO L146 ILogger]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-05-23 11:16:41,269 INFO L146 ILogger]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-05-23 11:16:41,269 INFO L146 ILogger]: Interpolant automaton has 9 states [2019-05-23 11:16:41,270 INFO L146 ILogger]: Constructing interpolant automaton starting with 9 interpolants. [2019-05-23 11:16:41,270 INFO L146 ILogger]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-05-23 11:16:41,270 INFO L146 ILogger]: Start difference. First operand 48 states and 51 transitions. Second operand 9 states. [2019-05-23 11:16:42,170 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 11:16:42,171 INFO L146 ILogger]: Finished difference Result 92 states and 99 transitions. [2019-05-23 11:16:42,171 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-05-23 11:16:42,172 INFO L146 ILogger]: Start accepts. Automaton has 9 states. Word has length 32 [2019-05-23 11:16:42,172 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 11:16:42,172 INFO L146 ILogger]: With dead ends: 92 [2019-05-23 11:16:42,173 INFO L146 ILogger]: Without dead ends: 0 [2019-05-23 11:16:42,174 INFO L146 ILogger]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=163, Invalid=487, Unknown=0, NotChecked=0, Total=650 [2019-05-23 11:16:42,175 INFO L146 ILogger]: Start minimizeSevpa. Operand 0 states. [2019-05-23 11:16:42,175 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-05-23 11:16:42,175 INFO L146 ILogger]: Start removeUnreachable. Operand 0 states. [2019-05-23 11:16:42,175 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-05-23 11:16:42,175 INFO L146 ILogger]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2019-05-23 11:16:42,176 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 11:16:42,176 INFO L146 ILogger]: Abstraction has 0 states and 0 transitions. [2019-05-23 11:16:42,176 INFO L146 ILogger]: Interpolant automaton has 9 states. [2019-05-23 11:16:42,176 INFO L146 ILogger]: Start isEmpty. Operand 0 states and 0 transitions. [2019-05-23 11:16:42,176 INFO L146 ILogger]: Finished isEmpty. No accepting run. [2019-05-23 11:16:42,181 INFO L146 ILogger]: Before removal of dead ends 0 states and 0 transitions. [2019-05-23 11:16:42,203 INFO L146 ILogger]: For program point L19(line 19) no Hoare annotation was computed. [2019-05-23 11:16:42,203 INFO L146 ILogger]: For program point L19-1(line 19) no Hoare annotation was computed. [2019-05-23 11:16:42,203 INFO L146 ILogger]: For program point L19-2(line 19) no Hoare annotation was computed. [2019-05-23 11:16:42,204 INFO L146 ILogger]: For program point L15(line 15) no Hoare annotation was computed. [2019-05-23 11:16:42,204 INFO L146 ILogger]: For program point L15-3(lines 15 21) no Hoare annotation was computed. [2019-05-23 11:16:42,204 INFO L146 ILogger]: For program point L15-4(line 15) no Hoare annotation was computed. [2019-05-23 11:16:42,204 INFO L146 ILogger]: For program point L15-5(line 15) no Hoare annotation was computed. [2019-05-23 11:16:42,204 INFO L146 ILogger]: At program point L15-6(lines 15 21) the Hoare annotation is: true [2019-05-23 11:16:42,205 INFO L146 ILogger]: For program point L15-7(lines 15 21) no Hoare annotation was computed. [2019-05-23 11:16:42,205 INFO L146 ILogger]: For program point L7(lines 7 9) no Hoare annotation was computed. [2019-05-23 11:16:42,205 INFO L146 ILogger]: For program point L3(line 3) no Hoare annotation was computed. [2019-05-23 11:16:42,205 INFO L146 ILogger]: For program point L3-1(line 3) no Hoare annotation was computed. [2019-05-23 11:16:42,205 INFO L146 ILogger]: For program point L3-2(line 3) no Hoare annotation was computed. [2019-05-23 11:16:42,206 INFO L146 ILogger]: For program point L-1(line -1) no Hoare annotation was computed. [2019-05-23 11:16:42,206 INFO L146 ILogger]: For program point L3-4(lines 1 30) no Hoare annotation was computed. [2019-05-23 11:16:42,206 INFO L146 ILogger]: For program point L-1-1(line -1) no Hoare annotation was computed. [2019-05-23 11:16:42,206 INFO L146 ILogger]: For program point L3-5(line 3) no Hoare annotation was computed. [2019-05-23 11:16:42,206 INFO L146 ILogger]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-05-23 11:16:42,206 INFO L146 ILogger]: For program point L-1-2(line -1) no Hoare annotation was computed. [2019-05-23 11:16:42,207 INFO L146 ILogger]: For program point L3-6(line 3) no Hoare annotation was computed. [2019-05-23 11:16:42,207 INFO L146 ILogger]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-05-23 11:16:42,207 INFO L146 ILogger]: For program point L3-7(line 3) no Hoare annotation was computed. [2019-05-23 11:16:42,207 INFO L146 ILogger]: For program point L3-9(lines 1 30) no Hoare annotation was computed. [2019-05-23 11:16:42,207 INFO L146 ILogger]: For program point L24(line 24) no Hoare annotation was computed. [2019-05-23 11:16:42,207 INFO L146 ILogger]: For program point L24-1(lines 24 27) no Hoare annotation was computed. [2019-05-23 11:16:42,208 INFO L146 ILogger]: For program point L24-2(line 24) no Hoare annotation was computed. [2019-05-23 11:16:42,208 INFO L146 ILogger]: For program point L24-4(line 24) no Hoare annotation was computed. [2019-05-23 11:16:42,208 INFO L146 ILogger]: For program point L12(line 12) no Hoare annotation was computed. [2019-05-23 11:16:42,208 INFO L146 ILogger]: For program point L12-1(line 12) no Hoare annotation was computed. [2019-05-23 11:16:42,208 INFO L146 ILogger]: For program point L12-2(line 12) no Hoare annotation was computed. [2019-05-23 11:16:42,208 INFO L146 ILogger]: For program point L12-3(line 12) no Hoare annotation was computed. [2019-05-23 11:16:42,209 INFO L146 ILogger]: For program point L8(line 8) no Hoare annotation was computed. [2019-05-23 11:16:42,209 INFO L146 ILogger]: For program point L8-1(line 8) no Hoare annotation was computed. [2019-05-23 11:16:42,209 INFO L146 ILogger]: For program point L4(lines 4 6) no Hoare annotation was computed. [2019-05-23 11:16:42,209 INFO L146 ILogger]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-05-23 11:16:42,209 INFO L146 ILogger]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2019-05-23 11:16:42,210 INFO L146 ILogger]: At program point L29(lines 10 30) the Hoare annotation is: true [2019-05-23 11:16:42,210 INFO L146 ILogger]: For program point L17(line 17) no Hoare annotation was computed. [2019-05-23 11:16:42,210 INFO L146 ILogger]: For program point L17-1(lines 17 20) no Hoare annotation was computed. [2019-05-23 11:16:42,210 INFO L146 ILogger]: For program point L17-2(line 17) no Hoare annotation was computed. [2019-05-23 11:16:42,210 INFO L146 ILogger]: For program point L17-4(line 17) no Hoare annotation was computed. [2019-05-23 11:16:42,210 INFO L146 ILogger]: For program point L5(line 5) no Hoare annotation was computed. [2019-05-23 11:16:42,211 INFO L146 ILogger]: For program point L5-1(line 5) no Hoare annotation was computed. [2019-05-23 11:16:42,211 INFO L146 ILogger]: For program point L26(line 26) no Hoare annotation was computed. [2019-05-23 11:16:42,211 INFO L146 ILogger]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2019-05-23 11:16:42,211 INFO L146 ILogger]: For program point L26-1(line 26) no Hoare annotation was computed. [2019-05-23 11:16:42,211 INFO L146 ILogger]: For program point L26-2(line 26) no Hoare annotation was computed. [2019-05-23 11:16:42,212 INFO L146 ILogger]: For program point L22-2(lines 22 28) no Hoare annotation was computed. [2019-05-23 11:16:42,212 INFO L146 ILogger]: For program point L22-3(line 22) no Hoare annotation was computed. [2019-05-23 11:16:42,212 INFO L146 ILogger]: For program point L22-4(line 22) no Hoare annotation was computed. [2019-05-23 11:16:42,212 INFO L146 ILogger]: At program point L22-5(lines 22 28) the Hoare annotation is: true [2019-05-23 11:16:42,212 INFO L146 ILogger]: For program point L22-6(lines 22 28) no Hoare annotation was computed. [2019-05-23 11:16:42,212 INFO L146 ILogger]: For program point L14(line 14) no Hoare annotation was computed. [2019-05-23 11:16:42,213 INFO L146 ILogger]: For program point L14-1(line 14) no Hoare annotation was computed. [2019-05-23 11:16:42,213 INFO L146 ILogger]: For program point L14-2(line 14) no Hoare annotation was computed. [2019-05-23 11:16:42,221 INFO L146 ILogger]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.05 11:16:42 BoogieIcfgContainer [2019-05-23 11:16:42,221 INFO L146 ILogger]: ------------------------ END TraceAbstraction---------------------------- [2019-05-23 11:16:42,223 INFO L146 ILogger]: Toolchain (without parser) took 5260.30 ms. Allocated memory was 134.2 MB in the beginning and 229.1 MB in the end (delta: 94.9 MB). Free memory was 91.1 MB in the beginning and 97.8 MB in the end (delta: -6.7 MB). Peak memory consumption was 88.2 MB. Max. memory is 7.1 GB. [2019-05-23 11:16:42,226 INFO L146 ILogger]: CDTParser took 0.17 ms. Allocated memory is still 134.2 MB. Free memory was 109.6 MB in the beginning and 109.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-05-23 11:16:42,227 INFO L146 ILogger]: CACSL2BoogieTranslator took 248.29 ms. Allocated memory is still 134.2 MB. Free memory was 90.9 MB in the beginning and 81.2 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-05-23 11:16:42,228 INFO L146 ILogger]: Boogie Procedure Inliner took 41.52 ms. Allocated memory is still 134.2 MB. Free memory was 81.2 MB in the beginning and 79.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-05-23 11:16:42,228 INFO L146 ILogger]: Boogie Preprocessor took 24.69 ms. Allocated memory is still 134.2 MB. Free memory was 79.4 MB in the beginning and 78.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-05-23 11:16:42,229 INFO L146 ILogger]: RCFGBuilder took 590.63 ms. Allocated memory was 134.2 MB in the beginning and 201.9 MB in the end (delta: 67.6 MB). Free memory was 78.1 MB in the beginning and 162.6 MB in the end (delta: -84.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB. [2019-05-23 11:16:42,231 INFO L146 ILogger]: TraceAbstraction took 4351.12 ms. Allocated memory was 201.9 MB in the beginning and 229.1 MB in the end (delta: 27.3 MB). Free memory was 162.6 MB in the beginning and 97.8 MB in the end (delta: 64.8 MB). Peak memory consumption was 92.1 MB. Max. memory is 7.1 GB. [2019-05-23 11:16:42,240 INFO L146 ILogger]: ####################### 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 134.2 MB. Free memory was 109.6 MB in the beginning and 109.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 248.29 ms. Allocated memory is still 134.2 MB. Free memory was 90.9 MB in the beginning and 81.2 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 41.52 ms. Allocated memory is still 134.2 MB. Free memory was 81.2 MB in the beginning and 79.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 24.69 ms. Allocated memory is still 134.2 MB. Free memory was 79.4 MB in the beginning and 78.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 590.63 ms. Allocated memory was 134.2 MB in the beginning and 201.9 MB in the end (delta: 67.6 MB). Free memory was 78.1 MB in the beginning and 162.6 MB in the end (delta: -84.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4351.12 ms. Allocated memory was 201.9 MB in the beginning and 229.1 MB in the end (delta: 27.3 MB). Free memory was 162.6 MB in the beginning and 97.8 MB in the end (delta: 64.8 MB). Peak memory consumption was 92.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 55 locations, 2 error locations. SAFE Result, 4.2s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 2.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 219 SDtfs, 367 SDslu, 911 SDs, 0 SdLazy, 334 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 96 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 14 NumberOfFragments, 3 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 80 NumberOfCodeBlocks, 80 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 77 ConstructedInterpolants, 0 QuantifiedInterpolants, 7752 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 1/1 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...