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/reducercommutativity/rangesum05_false-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-7aa59a0 [2019-05-23 11:22:31,372 INFO L146 ILogger]: Resetting all preferences to default values... [2019-05-23 11:22:31,374 INFO L146 ILogger]: Resetting UltimateCore preferences to default values [2019-05-23 11:22:31,387 INFO L146 ILogger]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-05-23 11:22:31,387 INFO L146 ILogger]: Resetting Boogie Preprocessor preferences to default values [2019-05-23 11:22:31,388 INFO L146 ILogger]: Resetting Boogie Procedure Inliner preferences to default values [2019-05-23 11:22:31,391 INFO L146 ILogger]: Resetting Abstract Interpretation preferences to default values [2019-05-23 11:22:31,393 INFO L146 ILogger]: Resetting LassoRanker preferences to default values [2019-05-23 11:22:31,396 INFO L146 ILogger]: Resetting Reaching Definitions preferences to default values [2019-05-23 11:22:31,398 INFO L146 ILogger]: Resetting SyntaxChecker preferences to default values [2019-05-23 11:22:31,400 INFO L146 ILogger]: Büchi Program Product provides no preferences, ignoring... [2019-05-23 11:22:31,400 INFO L146 ILogger]: Resetting LTL2Aut preferences to default values [2019-05-23 11:22:31,401 INFO L146 ILogger]: Resetting PEA to Boogie preferences to default values [2019-05-23 11:22:31,404 INFO L146 ILogger]: Resetting BlockEncodingV2 preferences to default values [2019-05-23 11:22:31,411 INFO L146 ILogger]: Resetting ChcToBoogie preferences to default values [2019-05-23 11:22:31,412 INFO L146 ILogger]: Resetting AutomataScriptInterpreter preferences to default values [2019-05-23 11:22:31,417 INFO L146 ILogger]: Resetting BuchiAutomizer preferences to default values [2019-05-23 11:22:31,423 INFO L146 ILogger]: Resetting CACSL2BoogieTranslator preferences to default values [2019-05-23 11:22:31,429 INFO L146 ILogger]: Resetting CodeCheck preferences to default values [2019-05-23 11:22:31,430 INFO L146 ILogger]: Resetting InvariantSynthesis preferences to default values [2019-05-23 11:22:31,432 INFO L146 ILogger]: Resetting RCFGBuilder preferences to default values [2019-05-23 11:22:31,435 INFO L146 ILogger]: Resetting TraceAbstraction preferences to default values [2019-05-23 11:22:31,439 INFO L146 ILogger]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-05-23 11:22:31,439 INFO L146 ILogger]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-05-23 11:22:31,440 INFO L146 ILogger]: Resetting TreeAutomizer preferences to default values [2019-05-23 11:22:31,442 INFO L146 ILogger]: Resetting IcfgToChc preferences to default values [2019-05-23 11:22:31,442 INFO L146 ILogger]: Resetting IcfgTransformer preferences to default values [2019-05-23 11:22:31,443 INFO L146 ILogger]: ReqToTest provides no preferences, ignoring... [2019-05-23 11:22:31,444 INFO L146 ILogger]: Resetting Boogie Printer preferences to default values [2019-05-23 11:22:31,446 INFO L146 ILogger]: Resetting ChcSmtPrinter preferences to default values [2019-05-23 11:22:31,448 INFO L146 ILogger]: Resetting ReqPrinter preferences to default values [2019-05-23 11:22:31,449 INFO L146 ILogger]: Resetting Witness Printer preferences to default values [2019-05-23 11:22:31,451 INFO L146 ILogger]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-05-23 11:22:31,451 INFO L146 ILogger]: Resetting CDTParser preferences to default values [2019-05-23 11:22:31,452 INFO L146 ILogger]: AutomataScriptParser provides no preferences, ignoring... [2019-05-23 11:22:31,452 INFO L146 ILogger]: ReqParser provides no preferences, ignoring... [2019-05-23 11:22:31,454 INFO L146 ILogger]: Resetting SmtParser preferences to default values [2019-05-23 11:22:31,455 INFO L146 ILogger]: Resetting Witness Parser preferences to default values [2019-05-23 11:22:31,456 INFO L146 ILogger]: Finished resetting all preferences to default values... [2019-05-23 11:22:31,457 INFO L146 ILogger]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-05-23 11:22:31,484 INFO L146 ILogger]: Loading preferences was successful [2019-05-23 11:22:31,484 INFO L146 ILogger]: Preferences different from defaults after loading the file: [2019-05-23 11:22:31,487 INFO L146 ILogger]: Preferences of BlockEncodingV2 differ from their defaults: [2019-05-23 11:22:31,487 INFO L146 ILogger]: * Create parallel compositions if possible=false [2019-05-23 11:22:31,487 INFO L146 ILogger]: * Use SBE=true [2019-05-23 11:22:31,488 INFO L146 ILogger]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-05-23 11:22:31,488 INFO L146 ILogger]: * sizeof long=4 [2019-05-23 11:22:31,488 INFO L146 ILogger]: * Overapproximate operations on floating types=true [2019-05-23 11:22:31,488 INFO L146 ILogger]: * sizeof POINTER=4 [2019-05-23 11:22:31,489 INFO L146 ILogger]: * Check division by zero=IGNORE [2019-05-23 11:22:31,489 INFO L146 ILogger]: * Pointer to allocated memory at dereference=IGNORE [2019-05-23 11:22:31,489 INFO L146 ILogger]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-05-23 11:22:31,489 INFO L146 ILogger]: * Check array bounds for arrays that are off heap=IGNORE [2019-05-23 11:22:31,489 INFO L146 ILogger]: * sizeof long double=12 [2019-05-23 11:22:31,490 INFO L146 ILogger]: * Check if freed pointer was valid=false [2019-05-23 11:22:31,490 INFO L146 ILogger]: * Use constant arrays=true [2019-05-23 11:22:31,490 INFO L146 ILogger]: * Pointer base address is valid at dereference=IGNORE [2019-05-23 11:22:31,490 INFO L146 ILogger]: Preferences of RCFGBuilder differ from their defaults: [2019-05-23 11:22:31,490 INFO L146 ILogger]: * Size of a code block=SequenceOfStatements [2019-05-23 11:22:31,491 INFO L146 ILogger]: * To the following directory=./dump/ [2019-05-23 11:22:31,491 INFO L146 ILogger]: * SMT solver=External_DefaultMode [2019-05-23 11:22:31,491 INFO L146 ILogger]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-05-23 11:22:31,491 INFO L146 ILogger]: Preferences of TraceAbstraction differ from their defaults: [2019-05-23 11:22:31,492 INFO L146 ILogger]: * Compute Interpolants along a Counterexample=FPandBP [2019-05-23 11:22:31,492 INFO L146 ILogger]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-05-23 11:22:31,492 INFO L146 ILogger]: * Trace refinement strategy=CAMEL [2019-05-23 11:22:31,492 INFO L146 ILogger]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-05-23 11:22:31,493 INFO L146 ILogger]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-05-23 11:22:31,493 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 11:22:31,528 INFO L146 ILogger]: Repository-Root is: /tmp [2019-05-23 11:22:31,540 INFO L146 ILogger]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-05-23 11:22:31,544 INFO L146 ILogger]: [Toolchain 1]: Toolchain selected. [2019-05-23 11:22:31,545 INFO L146 ILogger]: Initializing CDTParser... [2019-05-23 11:22:31,546 INFO L146 ILogger]: CDTParser initialized [2019-05-23 11:22:31,547 INFO L146 ILogger]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/reducercommutativity/rangesum05_false-unreach-call_true-termination.i [2019-05-23 11:22:31,605 INFO L146 ILogger]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2372cdabc/b17222553dea4479a1dc015e9a355fcc/FLAGc40cf6105 [2019-05-23 11:22:32,036 INFO L146 ILogger]: Found 1 translation units. [2019-05-23 11:22:32,037 INFO L146 ILogger]: Scanning /storage/repos/svcomp/c/reducercommutativity/rangesum05_false-unreach-call_true-termination.i [2019-05-23 11:22:32,043 INFO L146 ILogger]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2372cdabc/b17222553dea4479a1dc015e9a355fcc/FLAGc40cf6105 [2019-05-23 11:22:32,404 INFO L146 ILogger]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2372cdabc/b17222553dea4479a1dc015e9a355fcc [2019-05-23 11:22:32,415 INFO L146 ILogger]: ####################### [Toolchain 1] ####################### [2019-05-23 11:22:32,417 INFO L146 ILogger]: Walking toolchain with 5 elements. [2019-05-23 11:22:32,418 INFO L146 ILogger]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-05-23 11:22:32,419 INFO L146 ILogger]: Initializing CACSL2BoogieTranslator... [2019-05-23 11:22:32,422 INFO L146 ILogger]: CACSL2BoogieTranslator initialized [2019-05-23 11:22:32,423 INFO L146 ILogger]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.05 11:22:32" (1/1) ... [2019-05-23 11:22:32,426 INFO L146 ILogger]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75e6cc9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:22:32, skipping insertion in model container [2019-05-23 11:22:32,427 INFO L146 ILogger]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.05 11:22:32" (1/1) ... [2019-05-23 11:22:32,433 INFO L146 ILogger]: Starting translation in SV-COMP mode [2019-05-23 11:22:32,455 INFO L146 ILogger]: Built tables and reachable declarations [2019-05-23 11:22:32,658 INFO L146 ILogger]: Analyzing one entry point: main [2019-05-23 11:22:32,678 INFO L146 ILogger]: Completed pre-run [2019-05-23 11:22:32,713 INFO L146 ILogger]: Analyzing one entry point: main [2019-05-23 11:22:32,742 INFO L146 ILogger]: Completed translation [2019-05-23 11:22:32,743 INFO L146 ILogger]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:22:32 WrapperNode [2019-05-23 11:22:32,743 INFO L146 ILogger]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-05-23 11:22:32,744 INFO L146 ILogger]: ------------------------Boogie Procedure Inliner---------------------------- [2019-05-23 11:22:32,744 INFO L146 ILogger]: Initializing Boogie Procedure Inliner... [2019-05-23 11:22:32,744 INFO L146 ILogger]: Boogie Procedure Inliner initialized [2019-05-23 11:22:32,754 INFO L146 ILogger]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:22:32" (1/1) ... [2019-05-23 11:22:32,765 INFO L146 ILogger]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:22:32" (1/1) ... [2019-05-23 11:22:32,805 INFO L146 ILogger]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-05-23 11:22:32,806 INFO L146 ILogger]: ------------------------Boogie Preprocessor---------------------------- [2019-05-23 11:22:32,806 INFO L146 ILogger]: Initializing Boogie Preprocessor... [2019-05-23 11:22:32,806 INFO L146 ILogger]: Boogie Preprocessor initialized [2019-05-23 11:22:32,822 INFO L146 ILogger]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:22:32" (1/1) ... [2019-05-23 11:22:32,823 INFO L146 ILogger]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:22:32" (1/1) ... [2019-05-23 11:22:32,984 INFO L146 ILogger]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:22:32" (1/1) ... [2019-05-23 11:22:32,984 INFO L146 ILogger]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:22:32" (1/1) ... [2019-05-23 11:22:32,995 INFO L146 ILogger]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:22:32" (1/1) ... [2019-05-23 11:22:33,007 INFO L146 ILogger]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:22:32" (1/1) ... [2019-05-23 11:22:33,014 INFO L146 ILogger]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:22:32" (1/1) ... [2019-05-23 11:22:33,022 INFO L146 ILogger]: ------------------------ END Boogie Preprocessor---------------------------- [2019-05-23 11:22:33,023 INFO L146 ILogger]: ------------------------RCFGBuilder---------------------------- [2019-05-23 11:22:33,023 INFO L146 ILogger]: Initializing RCFGBuilder... [2019-05-23 11:22:33,023 INFO L146 ILogger]: RCFGBuilder initialized [2019-05-23 11:22:33,024 INFO L146 ILogger]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:22:32" (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 11:22:33,090 INFO L146 ILogger]: Found specification of procedure write~int [2019-05-23 11:22:33,090 INFO L146 ILogger]: Found specification of procedure ULTIMATE.start [2019-05-23 11:22:33,090 INFO L146 ILogger]: Found implementation of procedure ULTIMATE.start [2019-05-23 11:22:33,091 INFO L146 ILogger]: Found specification of procedure read~int [2019-05-23 11:22:33,091 INFO L146 ILogger]: Found specification of procedure #Ultimate.allocOnStack [2019-05-23 11:22:33,091 INFO L146 ILogger]: Found specification of procedure ULTIMATE.dealloc [2019-05-23 11:22:33,978 INFO L146 ILogger]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-05-23 11:22:33,979 INFO L146 ILogger]: Removed 17 assume(true) statements. [2019-05-23 11:22:33,980 INFO L146 ILogger]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.05 11:22:33 BoogieIcfgContainer [2019-05-23 11:22:33,980 INFO L146 ILogger]: ------------------------ END RCFGBuilder---------------------------- [2019-05-23 11:22:33,981 INFO L146 ILogger]: ------------------------TraceAbstraction---------------------------- [2019-05-23 11:22:33,981 INFO L146 ILogger]: Initializing TraceAbstraction... [2019-05-23 11:22:33,985 INFO L146 ILogger]: TraceAbstraction initialized [2019-05-23 11:22:33,985 INFO L146 ILogger]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.05 11:22:32" (1/3) ... [2019-05-23 11:22:33,986 INFO L146 ILogger]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64215e4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.05 11:22:33, skipping insertion in model container [2019-05-23 11:22:33,986 INFO L146 ILogger]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:22:32" (2/3) ... [2019-05-23 11:22:33,987 INFO L146 ILogger]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64215e4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.05 11:22:33, skipping insertion in model container [2019-05-23 11:22:33,987 INFO L146 ILogger]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.05 11:22:33" (3/3) ... [2019-05-23 11:22:33,989 INFO L146 ILogger]: Analyzing ICFG rangesum05_false-unreach-call_true-termination.i [2019-05-23 11:22:34,000 INFO L146 ILogger]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-05-23 11:22:34,009 INFO L146 ILogger]: Appying trace abstraction to program that has 1 error locations. [2019-05-23 11:22:34,026 INFO L146 ILogger]: Starting to check reachability of 1 error locations. [2019-05-23 11:22:34,061 INFO L146 ILogger]: Using default assertion order modulation [2019-05-23 11:22:34,062 INFO L146 ILogger]: Interprodecural is true [2019-05-23 11:22:34,062 INFO L146 ILogger]: Hoare is true [2019-05-23 11:22:34,063 INFO L146 ILogger]: Compute interpolants for FPandBP [2019-05-23 11:22:34,064 INFO L146 ILogger]: Backedges is STRAIGHT_LINE [2019-05-23 11:22:34,064 INFO L146 ILogger]: Determinization is PREDICATE_ABSTRACTION [2019-05-23 11:22:34,064 INFO L146 ILogger]: Difference is false [2019-05-23 11:22:34,065 INFO L146 ILogger]: Minimize is MINIMIZE_SEVPA [2019-05-23 11:22:34,065 INFO L146 ILogger]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-05-23 11:22:34,086 INFO L146 ILogger]: Start isEmpty. Operand 124 states. [2019-05-23 11:22:34,096 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 79 [2019-05-23 11:22:34,097 INFO L146 ILogger]: Found error trace [2019-05-23 11:22:34,098 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, 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] [2019-05-23 11:22:34,101 INFO L146 ILogger]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-05-23 11:22:34,107 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 11:22:34,108 INFO L146 ILogger]: Analyzing trace with hash -924562874, now seen corresponding path program 1 times [2019-05-23 11:22:34,110 INFO L146 ILogger]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-05-23 11:22:34,110 INFO L146 ILogger]: Using refinement strategy CamelRefinementStrategy [2019-05-23 11:22:34,164 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:22:34,165 INFO L146 ILogger]: Keeping assertion order NOT_INCREMENTALLY [2019-05-23 11:22:34,165 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:22:34,224 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 11:22:34,309 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 11:22:34,312 INFO L146 ILogger]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-05-23 11:22:34,313 INFO L146 ILogger]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-05-23 11:22:34,318 INFO L146 ILogger]: Interpolant automaton has 3 states [2019-05-23 11:22:34,332 INFO L146 ILogger]: Constructing interpolant automaton starting with 3 interpolants. [2019-05-23 11:22:34,333 INFO L146 ILogger]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-05-23 11:22:34,335 INFO L146 ILogger]: Start difference. First operand 124 states. Second operand 3 states. [2019-05-23 11:22:34,441 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 11:22:34,442 INFO L146 ILogger]: Finished difference Result 237 states and 269 transitions. [2019-05-23 11:22:34,444 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-05-23 11:22:34,445 INFO L146 ILogger]: Start accepts. Automaton has 3 states. Word has length 78 [2019-05-23 11:22:34,446 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 11:22:34,458 INFO L146 ILogger]: With dead ends: 237 [2019-05-23 11:22:34,459 INFO L146 ILogger]: Without dead ends: 124 [2019-05-23 11:22:34,462 INFO L146 ILogger]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-05-23 11:22:34,477 INFO L146 ILogger]: Start minimizeSevpa. Operand 124 states. [2019-05-23 11:22:34,500 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 124 to 119. [2019-05-23 11:22:34,501 INFO L146 ILogger]: Start removeUnreachable. Operand 119 states. [2019-05-23 11:22:34,505 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 119 states to 119 states and 129 transitions. [2019-05-23 11:22:34,509 INFO L146 ILogger]: Start accepts. Automaton has 119 states and 129 transitions. Word has length 78 [2019-05-23 11:22:34,510 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 11:22:34,510 INFO L146 ILogger]: Abstraction has 119 states and 129 transitions. [2019-05-23 11:22:34,510 INFO L146 ILogger]: Interpolant automaton has 3 states. [2019-05-23 11:22:34,510 INFO L146 ILogger]: Start isEmpty. Operand 119 states and 129 transitions. [2019-05-23 11:22:34,515 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 86 [2019-05-23 11:22:34,515 INFO L146 ILogger]: Found error trace [2019-05-23 11:22:34,515 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, 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] [2019-05-23 11:22:34,517 INFO L146 ILogger]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-05-23 11:22:34,517 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 11:22:34,517 INFO L146 ILogger]: Analyzing trace with hash -955470100, now seen corresponding path program 1 times [2019-05-23 11:22:34,518 INFO L146 ILogger]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-05-23 11:22:34,518 INFO L146 ILogger]: Using refinement strategy CamelRefinementStrategy [2019-05-23 11:22:34,520 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:22:34,520 INFO L146 ILogger]: Keeping assertion order NOT_INCREMENTALLY [2019-05-23 11:22:34,520 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:22:34,543 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 11:22:34,649 INFO L146 ILogger]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 11:22:34,650 INFO L146 ILogger]: The current sequences of interpolants are not accepted, trying to find more. [2019-05-23 11:22:34,650 INFO L146 ILogger]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-05-23 11:22:34,668 INFO L146 ILogger]: Keeping assertion order NOT_INCREMENTALLY [2019-05-23 11:22:34,741 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 11:22:34,744 INFO L146 ILogger]: Trace formula consists of 152 conjuncts, 3 conjunts are in the unsatisfiable core [2019-05-23 11:22:34,755 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 11:22:34,809 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 11:22:34,829 INFO L146 ILogger]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-05-23 11:22:34,829 INFO L146 ILogger]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2019-05-23 11:22:34,831 INFO L146 ILogger]: Interpolant automaton has 6 states [2019-05-23 11:22:34,831 INFO L146 ILogger]: Constructing interpolant automaton starting with 6 interpolants. [2019-05-23 11:22:34,831 INFO L146 ILogger]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-05-23 11:22:34,832 INFO L146 ILogger]: Start difference. First operand 119 states and 129 transitions. Second operand 6 states. [2019-05-23 11:22:35,182 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 11:22:35,183 INFO L146 ILogger]: Finished difference Result 302 states and 331 transitions. [2019-05-23 11:22:35,183 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-05-23 11:22:35,183 INFO L146 ILogger]: Start accepts. Automaton has 6 states. Word has length 85 [2019-05-23 11:22:35,184 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 11:22:35,186 INFO L146 ILogger]: With dead ends: 302 [2019-05-23 11:22:35,186 INFO L146 ILogger]: Without dead ends: 201 [2019-05-23 11:22:35,188 INFO L146 ILogger]: 0 DeclaredPredicates, 91 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-05-23 11:22:35,188 INFO L146 ILogger]: Start minimizeSevpa. Operand 201 states. [2019-05-23 11:22:35,199 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 201 to 144. [2019-05-23 11:22:35,199 INFO L146 ILogger]: Start removeUnreachable. Operand 144 states. [2019-05-23 11:22:35,200 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 144 states to 144 states and 160 transitions. [2019-05-23 11:22:35,201 INFO L146 ILogger]: Start accepts. Automaton has 144 states and 160 transitions. Word has length 85 [2019-05-23 11:22:35,201 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 11:22:35,201 INFO L146 ILogger]: Abstraction has 144 states and 160 transitions. [2019-05-23 11:22:35,201 INFO L146 ILogger]: Interpolant automaton has 6 states. [2019-05-23 11:22:35,201 INFO L146 ILogger]: Start isEmpty. Operand 144 states and 160 transitions. [2019-05-23 11:22:35,203 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 93 [2019-05-23 11:22:35,203 INFO L146 ILogger]: Found error trace [2019-05-23 11:22:35,204 INFO L146 ILogger]: trace histogram [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, 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] [2019-05-23 11:22:35,204 INFO L146 ILogger]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-05-23 11:22:35,204 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 11:22:35,204 INFO L146 ILogger]: Analyzing trace with hash -1153429310, now seen corresponding path program 1 times [2019-05-23 11:22:35,205 INFO L146 ILogger]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-05-23 11:22:35,205 INFO L146 ILogger]: Using refinement strategy CamelRefinementStrategy [2019-05-23 11:22:35,206 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:22:35,206 INFO L146 ILogger]: Keeping assertion order NOT_INCREMENTALLY [2019-05-23 11:22:35,206 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:22:35,224 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 11:22:35,264 INFO L146 ILogger]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-05-23 11:22:35,265 INFO L146 ILogger]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-05-23 11:22:35,265 INFO L146 ILogger]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-05-23 11:22:35,265 INFO L146 ILogger]: Interpolant automaton has 3 states [2019-05-23 11:22:35,265 INFO L146 ILogger]: Constructing interpolant automaton starting with 3 interpolants. [2019-05-23 11:22:35,266 INFO L146 ILogger]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-05-23 11:22:35,266 INFO L146 ILogger]: Start difference. First operand 144 states and 160 transitions. Second operand 3 states. [2019-05-23 11:22:35,462 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 11:22:35,463 INFO L146 ILogger]: Finished difference Result 257 states and 292 transitions. [2019-05-23 11:22:35,465 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-05-23 11:22:35,465 INFO L146 ILogger]: Start accepts. Automaton has 3 states. Word has length 92 [2019-05-23 11:22:35,466 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 11:22:35,468 INFO L146 ILogger]: With dead ends: 257 [2019-05-23 11:22:35,468 INFO L146 ILogger]: Without dead ends: 156 [2019-05-23 11:22:35,469 INFO L146 ILogger]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-05-23 11:22:35,473 INFO L146 ILogger]: Start minimizeSevpa. Operand 156 states. [2019-05-23 11:22:35,489 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 156 to 150. [2019-05-23 11:22:35,489 INFO L146 ILogger]: Start removeUnreachable. Operand 150 states. [2019-05-23 11:22:35,492 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 150 states to 150 states and 166 transitions. [2019-05-23 11:22:35,492 INFO L146 ILogger]: Start accepts. Automaton has 150 states and 166 transitions. Word has length 92 [2019-05-23 11:22:35,493 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 11:22:35,493 INFO L146 ILogger]: Abstraction has 150 states and 166 transitions. [2019-05-23 11:22:35,493 INFO L146 ILogger]: Interpolant automaton has 3 states. [2019-05-23 11:22:35,493 INFO L146 ILogger]: Start isEmpty. Operand 150 states and 166 transitions. [2019-05-23 11:22:35,498 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 108 [2019-05-23 11:22:35,498 INFO L146 ILogger]: Found error trace [2019-05-23 11:22:35,498 INFO L146 ILogger]: trace histogram [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, 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] [2019-05-23 11:22:35,500 INFO L146 ILogger]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-05-23 11:22:35,500 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 11:22:35,500 INFO L146 ILogger]: Analyzing trace with hash -1024653488, now seen corresponding path program 1 times [2019-05-23 11:22:35,500 INFO L146 ILogger]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-05-23 11:22:35,501 INFO L146 ILogger]: Using refinement strategy CamelRefinementStrategy [2019-05-23 11:22:35,502 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:22:35,502 INFO L146 ILogger]: Keeping assertion order NOT_INCREMENTALLY [2019-05-23 11:22:35,502 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:22:35,519 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 11:22:35,699 INFO L146 ILogger]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-05-23 11:22:35,699 INFO L146 ILogger]: The current sequences of interpolants are not accepted, trying to find more. [2019-05-23 11:22:35,699 INFO L146 ILogger]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-05-23 11:22:35,720 INFO L146 ILogger]: Keeping assertion order NOT_INCREMENTALLY [2019-05-23 11:22:35,771 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 11:22:35,772 INFO L146 ILogger]: Trace formula consists of 186 conjuncts, 2 conjunts are in the unsatisfiable core [2019-05-23 11:22:35,778 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 11:22:35,904 INFO L146 ILogger]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-05-23 11:22:35,930 INFO L146 ILogger]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-05-23 11:22:35,931 INFO L146 ILogger]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2019-05-23 11:22:35,931 INFO L146 ILogger]: Interpolant automaton has 6 states [2019-05-23 11:22:35,932 INFO L146 ILogger]: Constructing interpolant automaton starting with 6 interpolants. [2019-05-23 11:22:35,932 INFO L146 ILogger]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-05-23 11:22:35,932 INFO L146 ILogger]: Start difference. First operand 150 states and 166 transitions. Second operand 6 states. [2019-05-23 11:22:36,506 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 11:22:36,506 INFO L146 ILogger]: Finished difference Result 282 states and 318 transitions. [2019-05-23 11:22:36,507 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-05-23 11:22:36,507 INFO L146 ILogger]: Start accepts. Automaton has 6 states. Word has length 107 [2019-05-23 11:22:36,508 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 11:22:36,510 INFO L146 ILogger]: With dead ends: 282 [2019-05-23 11:22:36,510 INFO L146 ILogger]: Without dead ends: 177 [2019-05-23 11:22:36,511 INFO L146 ILogger]: 0 DeclaredPredicates, 115 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-05-23 11:22:36,512 INFO L146 ILogger]: Start minimizeSevpa. Operand 177 states. [2019-05-23 11:22:36,529 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 177 to 166. [2019-05-23 11:22:36,529 INFO L146 ILogger]: Start removeUnreachable. Operand 166 states. [2019-05-23 11:22:36,530 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 166 states to 166 states and 182 transitions. [2019-05-23 11:22:36,530 INFO L146 ILogger]: Start accepts. Automaton has 166 states and 182 transitions. Word has length 107 [2019-05-23 11:22:36,531 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 11:22:36,531 INFO L146 ILogger]: Abstraction has 166 states and 182 transitions. [2019-05-23 11:22:36,531 INFO L146 ILogger]: Interpolant automaton has 6 states. [2019-05-23 11:22:36,531 INFO L146 ILogger]: Start isEmpty. Operand 166 states and 182 transitions. [2019-05-23 11:22:36,534 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 130 [2019-05-23 11:22:36,534 INFO L146 ILogger]: Found error trace [2019-05-23 11:22:36,534 INFO L146 ILogger]: trace histogram [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, 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] [2019-05-23 11:22:36,535 INFO L146 ILogger]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-05-23 11:22:36,535 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 11:22:36,535 INFO L146 ILogger]: Analyzing trace with hash 379922757, now seen corresponding path program 1 times [2019-05-23 11:22:36,535 INFO L146 ILogger]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-05-23 11:22:36,535 INFO L146 ILogger]: Using refinement strategy CamelRefinementStrategy [2019-05-23 11:22:36,536 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:22:36,537 INFO L146 ILogger]: Keeping assertion order NOT_INCREMENTALLY [2019-05-23 11:22:36,537 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:22:36,563 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 11:22:36,688 INFO L146 ILogger]: Checked inductivity of 31 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-05-23 11:22:36,689 INFO L146 ILogger]: The current sequences of interpolants are not accepted, trying to find more. [2019-05-23 11:22:36,689 INFO L146 ILogger]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-05-23 11:22:36,700 INFO L146 ILogger]: Keeping assertion order NOT_INCREMENTALLY [2019-05-23 11:22:36,766 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 11:22:36,769 INFO L146 ILogger]: Trace formula consists of 217 conjuncts, 6 conjunts are in the unsatisfiable core [2019-05-23 11:22:36,775 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 11:22:36,908 INFO L146 ILogger]: Checked inductivity of 31 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-05-23 11:22:36,927 INFO L146 ILogger]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-05-23 11:22:36,927 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7] total 10 [2019-05-23 11:22:36,927 INFO L146 ILogger]: Interpolant automaton has 10 states [2019-05-23 11:22:36,928 INFO L146 ILogger]: Constructing interpolant automaton starting with 10 interpolants. [2019-05-23 11:22:36,928 INFO L146 ILogger]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2019-05-23 11:22:36,928 INFO L146 ILogger]: Start difference. First operand 166 states and 182 transitions. Second operand 10 states. [2019-05-23 11:22:37,261 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 11:22:37,262 INFO L146 ILogger]: Finished difference Result 331 states and 364 transitions. [2019-05-23 11:22:37,263 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-05-23 11:22:37,263 INFO L146 ILogger]: Start accepts. Automaton has 10 states. Word has length 129 [2019-05-23 11:22:37,263 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 11:22:37,264 INFO L146 ILogger]: With dead ends: 331 [2019-05-23 11:22:37,264 INFO L146 ILogger]: Without dead ends: 190 [2019-05-23 11:22:37,265 INFO L146 ILogger]: 0 DeclaredPredicates, 139 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2019-05-23 11:22:37,266 INFO L146 ILogger]: Start minimizeSevpa. Operand 190 states. [2019-05-23 11:22:37,272 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 190 to 180. [2019-05-23 11:22:37,273 INFO L146 ILogger]: Start removeUnreachable. Operand 180 states. [2019-05-23 11:22:37,274 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 180 states to 180 states and 196 transitions. [2019-05-23 11:22:37,274 INFO L146 ILogger]: Start accepts. Automaton has 180 states and 196 transitions. Word has length 129 [2019-05-23 11:22:37,274 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 11:22:37,274 INFO L146 ILogger]: Abstraction has 180 states and 196 transitions. [2019-05-23 11:22:37,274 INFO L146 ILogger]: Interpolant automaton has 10 states. [2019-05-23 11:22:37,275 INFO L146 ILogger]: Start isEmpty. Operand 180 states and 196 transitions. [2019-05-23 11:22:37,276 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 144 [2019-05-23 11:22:37,277 INFO L146 ILogger]: Found error trace [2019-05-23 11:22:37,277 INFO L146 ILogger]: trace histogram [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, 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, 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] [2019-05-23 11:22:37,277 INFO L146 ILogger]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-05-23 11:22:37,277 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 11:22:37,278 INFO L146 ILogger]: Analyzing trace with hash 1280746348, now seen corresponding path program 2 times [2019-05-23 11:22:37,278 INFO L146 ILogger]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-05-23 11:22:37,278 INFO L146 ILogger]: Using refinement strategy CamelRefinementStrategy [2019-05-23 11:22:37,279 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:22:37,279 INFO L146 ILogger]: Keeping assertion order NOT_INCREMENTALLY [2019-05-23 11:22:37,279 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:22:37,307 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 11:22:37,830 INFO L146 ILogger]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-05-23 11:22:37,831 INFO L146 ILogger]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-05-23 11:22:37,831 INFO L146 ILogger]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-05-23 11:22:37,831 INFO L146 ILogger]: Interpolant automaton has 11 states [2019-05-23 11:22:37,832 INFO L146 ILogger]: Constructing interpolant automaton starting with 11 interpolants. [2019-05-23 11:22:37,832 INFO L146 ILogger]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2019-05-23 11:22:37,832 INFO L146 ILogger]: Start difference. First operand 180 states and 196 transitions. Second operand 11 states. [2019-05-23 11:22:38,177 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 11:22:38,177 INFO L146 ILogger]: Finished difference Result 402 states and 431 transitions. [2019-05-23 11:22:38,181 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-05-23 11:22:38,182 INFO L146 ILogger]: Start accepts. Automaton has 11 states. Word has length 143 [2019-05-23 11:22:38,182 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 11:22:38,184 INFO L146 ILogger]: With dead ends: 402 [2019-05-23 11:22:38,184 INFO L146 ILogger]: Without dead ends: 393 [2019-05-23 11:22:38,184 INFO L146 ILogger]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=87, Invalid=255, Unknown=0, NotChecked=0, Total=342 [2019-05-23 11:22:38,187 INFO L146 ILogger]: Start minimizeSevpa. Operand 393 states. [2019-05-23 11:22:38,196 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 393 to 279. [2019-05-23 11:22:38,197 INFO L146 ILogger]: Start removeUnreachable. Operand 279 states. [2019-05-23 11:22:38,198 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 279 states to 279 states and 304 transitions. [2019-05-23 11:22:38,198 INFO L146 ILogger]: Start accepts. Automaton has 279 states and 304 transitions. Word has length 143 [2019-05-23 11:22:38,199 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 11:22:38,199 INFO L146 ILogger]: Abstraction has 279 states and 304 transitions. [2019-05-23 11:22:38,199 INFO L146 ILogger]: Interpolant automaton has 11 states. [2019-05-23 11:22:38,199 INFO L146 ILogger]: Start isEmpty. Operand 279 states and 304 transitions. [2019-05-23 11:22:38,201 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 153 [2019-05-23 11:22:38,201 INFO L146 ILogger]: Found error trace [2019-05-23 11:22:38,201 INFO L146 ILogger]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-05-23 11:22:38,201 INFO L146 ILogger]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-05-23 11:22:38,202 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 11:22:38,202 INFO L146 ILogger]: Analyzing trace with hash -745362242, now seen corresponding path program 1 times [2019-05-23 11:22:38,202 INFO L146 ILogger]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-05-23 11:22:38,202 INFO L146 ILogger]: Using refinement strategy CamelRefinementStrategy [2019-05-23 11:22:38,203 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:22:38,203 INFO L146 ILogger]: Changing assertion order to NOT_INCREMENTALLY [2019-05-23 11:22:38,203 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:22:38,216 ERROR L146 ILogger]: Caught known exception: Unsupported non-linear arithmetic [2019-05-23 11:22:38,216 INFO L146 ILogger]: Advancing trace checker [2019-05-23 11:22:38,216 INFO L146 ILogger]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-05-23 11:22:38,231 INFO L146 ILogger]: Keeping assertion order NOT_INCREMENTALLY [2019-05-23 11:22:38,273 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 11:22:38,274 INFO L146 ILogger]: Trace formula consists of 250 conjuncts, 8 conjunts are in the unsatisfiable core [2019-05-23 11:22:38,279 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 11:22:38,460 INFO L146 ILogger]: Checked inductivity of 65 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-05-23 11:22:38,480 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 11:22:38,480 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2019-05-23 11:22:38,480 INFO L146 ILogger]: Interpolant automaton has 9 states [2019-05-23 11:22:38,481 INFO L146 ILogger]: Constructing interpolant automaton starting with 9 interpolants. [2019-05-23 11:22:38,481 INFO L146 ILogger]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-05-23 11:22:38,481 INFO L146 ILogger]: Start difference. First operand 279 states and 304 transitions. Second operand 9 states. [2019-05-23 11:22:38,695 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 11:22:38,695 INFO L146 ILogger]: Finished difference Result 538 states and 588 transitions. [2019-05-23 11:22:38,695 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-05-23 11:22:38,695 INFO L146 ILogger]: Start accepts. Automaton has 9 states. Word has length 152 [2019-05-23 11:22:38,696 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 11:22:38,697 INFO L146 ILogger]: With dead ends: 538 [2019-05-23 11:22:38,697 INFO L146 ILogger]: Without dead ends: 291 [2019-05-23 11:22:38,698 INFO L146 ILogger]: 0 DeclaredPredicates, 157 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=132, Unknown=0, NotChecked=0, Total=210 [2019-05-23 11:22:38,698 INFO L146 ILogger]: Start minimizeSevpa. Operand 291 states. [2019-05-23 11:22:38,705 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 291 to 286. [2019-05-23 11:22:38,706 INFO L146 ILogger]: Start removeUnreachable. Operand 286 states. [2019-05-23 11:22:38,707 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 286 states to 286 states and 311 transitions. [2019-05-23 11:22:38,707 INFO L146 ILogger]: Start accepts. Automaton has 286 states and 311 transitions. Word has length 152 [2019-05-23 11:22:38,707 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 11:22:38,707 INFO L146 ILogger]: Abstraction has 286 states and 311 transitions. [2019-05-23 11:22:38,708 INFO L146 ILogger]: Interpolant automaton has 9 states. [2019-05-23 11:22:38,708 INFO L146 ILogger]: Start isEmpty. Operand 286 states and 311 transitions. [2019-05-23 11:22:38,709 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 160 [2019-05-23 11:22:38,710 INFO L146 ILogger]: Found error trace [2019-05-23 11:22:38,710 INFO L146 ILogger]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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, 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] [2019-05-23 11:22:38,710 INFO L146 ILogger]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-05-23 11:22:38,710 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 11:22:38,711 INFO L146 ILogger]: Analyzing trace with hash 1348160392, now seen corresponding path program 2 times [2019-05-23 11:22:38,711 INFO L146 ILogger]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-05-23 11:22:38,711 INFO L146 ILogger]: Using refinement strategy CamelRefinementStrategy [2019-05-23 11:22:38,712 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:22:38,712 INFO L146 ILogger]: Keeping assertion order NOT_INCREMENTALLY [2019-05-23 11:22:38,712 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:22:38,723 ERROR L146 ILogger]: Caught known exception: Unsupported non-linear arithmetic [2019-05-23 11:22:38,723 INFO L146 ILogger]: Advancing trace checker [2019-05-23 11:22:38,724 INFO L146 ILogger]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-05-23 11:22:38,738 INFO L146 ILogger]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-05-23 11:22:38,781 INFO L146 ILogger]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-05-23 11:22:38,781 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 11:22:38,782 INFO L146 ILogger]: Trace formula consists of 260 conjuncts, 6 conjunts are in the unsatisfiable core [2019-05-23 11:22:38,786 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 11:22:38,869 INFO L146 ILogger]: Checked inductivity of 87 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2019-05-23 11:22:38,897 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 11:22:38,898 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2019-05-23 11:22:38,898 INFO L146 ILogger]: Interpolant automaton has 7 states [2019-05-23 11:22:38,898 INFO L146 ILogger]: Constructing interpolant automaton starting with 7 interpolants. [2019-05-23 11:22:38,898 INFO L146 ILogger]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-05-23 11:22:38,899 INFO L146 ILogger]: Start difference. First operand 286 states and 311 transitions. Second operand 7 states. [2019-05-23 11:22:39,128 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 11:22:39,128 INFO L146 ILogger]: Finished difference Result 560 states and 620 transitions. [2019-05-23 11:22:39,128 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-05-23 11:22:39,128 INFO L146 ILogger]: Start accepts. Automaton has 7 states. Word has length 159 [2019-05-23 11:22:39,129 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 11:22:39,130 INFO L146 ILogger]: With dead ends: 560 [2019-05-23 11:22:39,130 INFO L146 ILogger]: Without dead ends: 347 [2019-05-23 11:22:39,132 INFO L146 ILogger]: 0 DeclaredPredicates, 166 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2019-05-23 11:22:39,133 INFO L146 ILogger]: Start minimizeSevpa. Operand 347 states. [2019-05-23 11:22:39,139 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 347 to 322. [2019-05-23 11:22:39,139 INFO L146 ILogger]: Start removeUnreachable. Operand 322 states. [2019-05-23 11:22:39,140 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 322 states to 322 states and 343 transitions. [2019-05-23 11:22:39,141 INFO L146 ILogger]: Start accepts. Automaton has 322 states and 343 transitions. Word has length 159 [2019-05-23 11:22:39,141 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 11:22:39,141 INFO L146 ILogger]: Abstraction has 322 states and 343 transitions. [2019-05-23 11:22:39,141 INFO L146 ILogger]: Interpolant automaton has 7 states. [2019-05-23 11:22:39,141 INFO L146 ILogger]: Start isEmpty. Operand 322 states and 343 transitions. [2019-05-23 11:22:39,144 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 205 [2019-05-23 11:22:39,144 INFO L146 ILogger]: Found error trace [2019-05-23 11:22:39,144 INFO L146 ILogger]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2019-05-23 11:22:39,144 INFO L146 ILogger]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-05-23 11:22:39,145 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 11:22:39,145 INFO L146 ILogger]: Analyzing trace with hash 503003842, now seen corresponding path program 1 times [2019-05-23 11:22:39,145 INFO L146 ILogger]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-05-23 11:22:39,145 INFO L146 ILogger]: Using refinement strategy CamelRefinementStrategy [2019-05-23 11:22:39,146 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:22:39,146 INFO L146 ILogger]: Changing assertion order to NOT_INCREMENTALLY [2019-05-23 11:22:39,146 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:22:39,159 ERROR L146 ILogger]: Caught known exception: Unsupported non-linear arithmetic [2019-05-23 11:22:39,159 INFO L146 ILogger]: Advancing trace checker [2019-05-23 11:22:39,159 INFO L146 ILogger]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-05-23 11:22:39,174 INFO L146 ILogger]: Keeping assertion order NOT_INCREMENTALLY [2019-05-23 11:22:39,224 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 11:22:39,225 INFO L146 ILogger]: Trace formula consists of 328 conjuncts, 10 conjunts are in the unsatisfiable core [2019-05-23 11:22:39,229 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 11:22:39,345 INFO L146 ILogger]: Checked inductivity of 169 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2019-05-23 11:22:39,364 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 11:22:39,364 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2019-05-23 11:22:39,365 INFO L146 ILogger]: Interpolant automaton has 11 states [2019-05-23 11:22:39,365 INFO L146 ILogger]: Constructing interpolant automaton starting with 11 interpolants. [2019-05-23 11:22:39,365 INFO L146 ILogger]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2019-05-23 11:22:39,366 INFO L146 ILogger]: Start difference. First operand 322 states and 343 transitions. Second operand 11 states. [2019-05-23 11:22:39,553 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 11:22:39,553 INFO L146 ILogger]: Finished difference Result 612 states and 654 transitions. [2019-05-23 11:22:39,555 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-05-23 11:22:39,555 INFO L146 ILogger]: Start accepts. Automaton has 11 states. Word has length 204 [2019-05-23 11:22:39,555 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 11:22:39,557 INFO L146 ILogger]: With dead ends: 612 [2019-05-23 11:22:39,557 INFO L146 ILogger]: Without dead ends: 329 [2019-05-23 11:22:39,558 INFO L146 ILogger]: 0 DeclaredPredicates, 211 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=123, Invalid=219, Unknown=0, NotChecked=0, Total=342 [2019-05-23 11:22:39,559 INFO L146 ILogger]: Start minimizeSevpa. Operand 329 states. [2019-05-23 11:22:39,565 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 329 to 329. [2019-05-23 11:22:39,565 INFO L146 ILogger]: Start removeUnreachable. Operand 329 states. [2019-05-23 11:22:39,566 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 329 states to 329 states and 350 transitions. [2019-05-23 11:22:39,568 INFO L146 ILogger]: Start accepts. Automaton has 329 states and 350 transitions. Word has length 204 [2019-05-23 11:22:39,568 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 11:22:39,569 INFO L146 ILogger]: Abstraction has 329 states and 350 transitions. [2019-05-23 11:22:39,569 INFO L146 ILogger]: Interpolant automaton has 11 states. [2019-05-23 11:22:39,569 INFO L146 ILogger]: Start isEmpty. Operand 329 states and 350 transitions. [2019-05-23 11:22:39,579 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 212 [2019-05-23 11:22:39,579 INFO L146 ILogger]: Found error trace [2019-05-23 11:22:39,582 INFO L146 ILogger]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2019-05-23 11:22:39,582 INFO L146 ILogger]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-05-23 11:22:39,583 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 11:22:39,583 INFO L146 ILogger]: Analyzing trace with hash -257890164, now seen corresponding path program 2 times [2019-05-23 11:22:39,583 INFO L146 ILogger]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-05-23 11:22:39,583 INFO L146 ILogger]: Using refinement strategy CamelRefinementStrategy [2019-05-23 11:22:39,584 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:22:39,584 INFO L146 ILogger]: Keeping assertion order NOT_INCREMENTALLY [2019-05-23 11:22:39,584 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:22:39,612 ERROR L146 ILogger]: Caught known exception: Unsupported non-linear arithmetic [2019-05-23 11:22:39,612 INFO L146 ILogger]: Advancing trace checker [2019-05-23 11:22:39,613 INFO L146 ILogger]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-05-23 11:22:39,627 INFO L146 ILogger]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-05-23 11:22:41,898 INFO L146 ILogger]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-05-23 11:22:41,899 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 11:22:41,901 INFO L146 ILogger]: Trace formula consists of 338 conjuncts, 6 conjunts are in the unsatisfiable core [2019-05-23 11:22:41,904 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 11:22:42,032 INFO L146 ILogger]: Checked inductivity of 198 backedges. 21 proven. 9 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2019-05-23 11:22:42,060 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 11:22:42,060 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2019-05-23 11:22:42,061 INFO L146 ILogger]: Interpolant automaton has 7 states [2019-05-23 11:22:42,061 INFO L146 ILogger]: Constructing interpolant automaton starting with 7 interpolants. [2019-05-23 11:22:42,061 INFO L146 ILogger]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-05-23 11:22:42,061 INFO L146 ILogger]: Start difference. First operand 329 states and 350 transitions. Second operand 7 states. [2019-05-23 11:22:43,191 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 11:22:43,192 INFO L146 ILogger]: Finished difference Result 617 states and 663 transitions. [2019-05-23 11:22:43,192 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-05-23 11:22:43,192 INFO L146 ILogger]: Start accepts. Automaton has 7 states. Word has length 211 [2019-05-23 11:22:43,193 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 11:22:43,194 INFO L146 ILogger]: With dead ends: 617 [2019-05-23 11:22:43,194 INFO L146 ILogger]: Without dead ends: 354 [2019-05-23 11:22:43,195 INFO L146 ILogger]: 0 DeclaredPredicates, 214 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2019-05-23 11:22:43,196 INFO L146 ILogger]: Start minimizeSevpa. Operand 354 states. [2019-05-23 11:22:43,203 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 354 to 354. [2019-05-23 11:22:43,205 INFO L146 ILogger]: Start removeUnreachable. Operand 354 states. [2019-05-23 11:22:43,206 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 354 states to 354 states and 375 transitions. [2019-05-23 11:22:43,207 INFO L146 ILogger]: Start accepts. Automaton has 354 states and 375 transitions. Word has length 211 [2019-05-23 11:22:43,207 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 11:22:43,207 INFO L146 ILogger]: Abstraction has 354 states and 375 transitions. [2019-05-23 11:22:43,207 INFO L146 ILogger]: Interpolant automaton has 7 states. [2019-05-23 11:22:43,207 INFO L146 ILogger]: Start isEmpty. Operand 354 states and 375 transitions. [2019-05-23 11:22:43,210 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 227 [2019-05-23 11:22:43,210 INFO L146 ILogger]: Found error trace [2019-05-23 11:22:43,210 INFO L146 ILogger]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 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, 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] [2019-05-23 11:22:43,210 INFO L146 ILogger]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-05-23 11:22:43,211 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 11:22:43,212 INFO L146 ILogger]: Analyzing trace with hash -431213498, now seen corresponding path program 3 times [2019-05-23 11:22:43,212 INFO L146 ILogger]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-05-23 11:22:43,212 INFO L146 ILogger]: Using refinement strategy CamelRefinementStrategy [2019-05-23 11:22:43,213 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:22:43,213 INFO L146 ILogger]: Changing assertion order to NOT_INCREMENTALLY [2019-05-23 11:22:43,213 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:22:43,238 ERROR L146 ILogger]: Caught known exception: Unsupported non-linear arithmetic [2019-05-23 11:22:43,238 INFO L146 ILogger]: Advancing trace checker [2019-05-23 11:22:43,239 INFO L146 ILogger]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-05-23 11:22:43,255 INFO L146 ILogger]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-05-23 11:22:43,362 INFO L146 ILogger]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2019-05-23 11:22:43,363 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 11:22:43,364 INFO L146 ILogger]: Trace formula consists of 245 conjuncts, 6 conjunts are in the unsatisfiable core [2019-05-23 11:22:43,366 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 11:22:43,458 INFO L146 ILogger]: Checked inductivity of 261 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2019-05-23 11:22:43,478 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 11:22:43,478 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2019-05-23 11:22:43,478 INFO L146 ILogger]: Interpolant automaton has 7 states [2019-05-23 11:22:43,479 INFO L146 ILogger]: Constructing interpolant automaton starting with 7 interpolants. [2019-05-23 11:22:43,479 INFO L146 ILogger]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-05-23 11:22:43,479 INFO L146 ILogger]: Start difference. First operand 354 states and 375 transitions. Second operand 7 states. [2019-05-23 11:22:43,682 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 11:22:43,682 INFO L146 ILogger]: Finished difference Result 477 states and 506 transitions. [2019-05-23 11:22:43,682 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-05-23 11:22:43,683 INFO L146 ILogger]: Start accepts. Automaton has 7 states. Word has length 226 [2019-05-23 11:22:43,683 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 11:22:43,685 INFO L146 ILogger]: With dead ends: 477 [2019-05-23 11:22:43,685 INFO L146 ILogger]: Without dead ends: 378 [2019-05-23 11:22:43,686 INFO L146 ILogger]: 0 DeclaredPredicates, 229 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2019-05-23 11:22:43,686 INFO L146 ILogger]: Start minimizeSevpa. Operand 378 states. [2019-05-23 11:22:43,693 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 378 to 368. [2019-05-23 11:22:43,693 INFO L146 ILogger]: Start removeUnreachable. Operand 368 states. [2019-05-23 11:22:43,695 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 368 states to 368 states and 389 transitions. [2019-05-23 11:22:43,695 INFO L146 ILogger]: Start accepts. Automaton has 368 states and 389 transitions. Word has length 226 [2019-05-23 11:22:43,695 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 11:22:43,695 INFO L146 ILogger]: Abstraction has 368 states and 389 transitions. [2019-05-23 11:22:43,696 INFO L146 ILogger]: Interpolant automaton has 7 states. [2019-05-23 11:22:43,696 INFO L146 ILogger]: Start isEmpty. Operand 368 states and 389 transitions. [2019-05-23 11:22:43,698 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 234 [2019-05-23 11:22:43,698 INFO L146 ILogger]: Found error trace [2019-05-23 11:22:43,698 INFO L146 ILogger]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1] [2019-05-23 11:22:43,699 INFO L146 ILogger]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-05-23 11:22:43,699 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 11:22:43,699 INFO L146 ILogger]: Analyzing trace with hash 667632103, now seen corresponding path program 4 times [2019-05-23 11:22:43,699 INFO L146 ILogger]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-05-23 11:22:43,699 INFO L146 ILogger]: Using refinement strategy CamelRefinementStrategy [2019-05-23 11:22:43,700 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:22:43,700 INFO L146 ILogger]: Changing assertion order to NOT_INCREMENTALLY [2019-05-23 11:22:43,700 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:22:43,729 ERROR L146 ILogger]: Caught known exception: Unsupported non-linear arithmetic [2019-05-23 11:22:43,729 INFO L146 ILogger]: Advancing trace checker [2019-05-23 11:22:43,729 INFO L146 ILogger]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-05-23 11:22:43,752 INFO L146 ILogger]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-05-23 11:22:43,807 INFO L146 ILogger]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-05-23 11:22:43,807 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 11:22:43,808 INFO L146 ILogger]: Trace formula consists of 338 conjuncts, 8 conjunts are in the unsatisfiable core [2019-05-23 11:22:43,810 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 11:22:43,965 INFO L146 ILogger]: Checked inductivity of 276 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2019-05-23 11:22:43,983 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 11:22:43,984 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2019-05-23 11:22:43,984 INFO L146 ILogger]: Interpolant automaton has 9 states [2019-05-23 11:22:43,984 INFO L146 ILogger]: Constructing interpolant automaton starting with 9 interpolants. [2019-05-23 11:22:43,985 INFO L146 ILogger]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-05-23 11:22:43,985 INFO L146 ILogger]: Start difference. First operand 368 states and 389 transitions. Second operand 9 states. [2019-05-23 11:22:44,248 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 11:22:44,248 INFO L146 ILogger]: Finished difference Result 481 states and 510 transitions. [2019-05-23 11:22:44,249 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-05-23 11:22:44,249 INFO L146 ILogger]: Start accepts. Automaton has 9 states. Word has length 233 [2019-05-23 11:22:44,249 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 11:22:44,251 INFO L146 ILogger]: With dead ends: 481 [2019-05-23 11:22:44,251 INFO L146 ILogger]: Without dead ends: 382 [2019-05-23 11:22:44,251 INFO L146 ILogger]: 0 DeclaredPredicates, 238 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=132, Unknown=0, NotChecked=0, Total=210 [2019-05-23 11:22:44,252 INFO L146 ILogger]: Start minimizeSevpa. Operand 382 states. [2019-05-23 11:22:44,259 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 382 to 382. [2019-05-23 11:22:44,259 INFO L146 ILogger]: Start removeUnreachable. Operand 382 states. [2019-05-23 11:22:44,260 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 382 states to 382 states and 403 transitions. [2019-05-23 11:22:44,260 INFO L146 ILogger]: Start accepts. Automaton has 382 states and 403 transitions. Word has length 233 [2019-05-23 11:22:44,261 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 11:22:44,261 INFO L146 ILogger]: Abstraction has 382 states and 403 transitions. [2019-05-23 11:22:44,261 INFO L146 ILogger]: Interpolant automaton has 9 states. [2019-05-23 11:22:44,261 INFO L146 ILogger]: Start isEmpty. Operand 382 states and 403 transitions. [2019-05-23 11:22:44,262 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 241 [2019-05-23 11:22:44,263 INFO L146 ILogger]: Found error trace [2019-05-23 11:22:44,263 INFO L146 ILogger]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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, 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] [2019-05-23 11:22:44,263 INFO L146 ILogger]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-05-23 11:22:44,263 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 11:22:44,264 INFO L146 ILogger]: Analyzing trace with hash -850342618, now seen corresponding path program 5 times [2019-05-23 11:22:44,264 INFO L146 ILogger]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-05-23 11:22:44,264 INFO L146 ILogger]: Using refinement strategy CamelRefinementStrategy [2019-05-23 11:22:44,265 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:22:44,265 INFO L146 ILogger]: Changing assertion order to NOT_INCREMENTALLY [2019-05-23 11:22:44,265 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:22:44,276 ERROR L146 ILogger]: Caught known exception: Unsupported non-linear arithmetic [2019-05-23 11:22:44,276 INFO L146 ILogger]: Advancing trace checker [2019-05-23 11:22:44,276 INFO L146 ILogger]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-05-23 11:22:44,296 INFO L146 ILogger]: Keeping assertion order INSIDE_LOOP_FIRST1 [2019-05-23 11:22:44,587 INFO L146 ILogger]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2019-05-23 11:22:44,587 INFO L146 ILogger]: Conjunction of SSA is sat [2019-05-23 11:22:44,665 INFO L146 ILogger]: Conjunction of SSA is sat [2019-05-23 11:22:44,925 INFO L146 ILogger]: Counterexample might be feasible [2019-05-23 11:22:45,067 INFO L146 ILogger]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.05 11:22:45 BoogieIcfgContainer [2019-05-23 11:22:45,067 INFO L146 ILogger]: ------------------------ END TraceAbstraction---------------------------- [2019-05-23 11:22:45,069 INFO L146 ILogger]: Toolchain (without parser) took 12651.34 ms. Allocated memory was 140.5 MB in the beginning and 306.7 MB in the end (delta: 166.2 MB). Free memory was 89.1 MB in the beginning and 113.0 MB in the end (delta: -23.9 MB). Peak memory consumption was 142.3 MB. Max. memory is 7.1 GB. [2019-05-23 11:22:45,070 INFO L146 ILogger]: CDTParser took 0.20 ms. Allocated memory is still 140.5 MB. Free memory is still 107.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-05-23 11:22:45,070 INFO L146 ILogger]: CACSL2BoogieTranslator took 324.90 ms. Allocated memory is still 140.5 MB. Free memory was 88.6 MB in the beginning and 78.5 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-05-23 11:22:45,071 INFO L146 ILogger]: Boogie Procedure Inliner took 61.92 ms. Allocated memory is still 140.5 MB. Free memory was 78.5 MB in the beginning and 76.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-05-23 11:22:45,072 INFO L146 ILogger]: Boogie Preprocessor took 216.58 ms. Allocated memory was 140.5 MB in the beginning and 205.0 MB in the end (delta: 64.5 MB). Free memory was 76.3 MB in the beginning and 181.0 MB in the end (delta: -104.7 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. [2019-05-23 11:22:45,073 INFO L146 ILogger]: RCFGBuilder took 957.39 ms. Allocated memory is still 205.0 MB. Free memory was 181.0 MB in the beginning and 156.0 MB in the end (delta: 25.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. [2019-05-23 11:22:45,073 INFO L146 ILogger]: TraceAbstraction took 11085.78 ms. Allocated memory was 205.0 MB in the beginning and 306.7 MB in the end (delta: 101.7 MB). Free memory was 155.1 MB in the beginning and 113.0 MB in the end (delta: 42.1 MB). Peak memory consumption was 143.9 MB. Max. memory is 7.1 GB. [2019-05-23 11:22:45,077 INFO L146 ILogger]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 140.5 MB. Free memory is still 107.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 324.90 ms. Allocated memory is still 140.5 MB. Free memory was 88.6 MB in the beginning and 78.5 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 61.92 ms. Allocated memory is still 140.5 MB. Free memory was 78.5 MB in the beginning and 76.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 216.58 ms. Allocated memory was 140.5 MB in the beginning and 205.0 MB in the end (delta: 64.5 MB). Free memory was 76.3 MB in the beginning and 181.0 MB in the end (delta: -104.7 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 957.39 ms. Allocated memory is still 205.0 MB. Free memory was 181.0 MB in the beginning and 156.0 MB in the end (delta: 25.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11085.78 ms. Allocated memory was 205.0 MB in the beginning and 306.7 MB in the end (delta: 101.7 MB). Free memory was 155.1 MB in the beginning and 113.0 MB in the end (delta: 42.1 MB). Peak memory consumption was 143.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 50]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L31] int x[5]; [L5] int i; [L6] i = 0 [L6] COND TRUE i < 5 [L7] x[i] = __VERIFIER_nondet_int() [L6] i++ [L6] COND TRUE i < 5 [L7] x[i] = __VERIFIER_nondet_int() [L6] i++ [L6] COND TRUE i < 5 [L7] x[i] = __VERIFIER_nondet_int() [L6] i++ [L6] COND TRUE i < 5 [L7] x[i] = __VERIFIER_nondet_int() [L6] i++ [L6] COND TRUE i < 5 [L7] x[i] = __VERIFIER_nondet_int() [L6] i++ [L6] COND FALSE !(i < 5) [L33] int temp; [L34] int ret; [L35] int ret2; [L36] int ret5; [L13] int i; [L14] long long ret; [L15] ret = 0 [L16] int cnt = 0; [L17] i = 0 [L17] COND TRUE i < 5 [L18] COND FALSE !(i > 5/2) [L17] i++ [L17] COND TRUE i < 5 [L18] COND FALSE !(i > 5/2) [L17] i++ [L17] COND TRUE i < 5 [L18] COND FALSE !(i > 5/2) [L17] i++ [L17] COND TRUE i < 5 [L18] COND TRUE i > 5/2 [L19] EXPR x[i] [L19] ret = ret + x[i] [L20] cnt = cnt + 1 [L17] i++ [L17] COND TRUE i < 5 [L18] COND TRUE i > 5/2 [L19] EXPR x[i] [L19] ret = ret + x[i] [L20] cnt = cnt + 1 [L17] i++ [L17] COND FALSE !(i < 5) [L23] COND TRUE cnt !=0 [L24] return ret / cnt; [L38] ret = rangesum(x) [L40] EXPR x[0] [L40] temp=x[0] [L40] EXPR x[1] [L40] x[0] = x[1] [L40] x[1] = temp [L13] int i; [L14] long long ret; [L15] ret = 0 [L16] int cnt = 0; [L17] i = 0 [L17] COND TRUE i < 5 [L18] COND FALSE !(i > 5/2) [L17] i++ [L17] COND TRUE i < 5 [L18] COND FALSE !(i > 5/2) [L17] i++ [L17] COND TRUE i < 5 [L18] COND FALSE !(i > 5/2) [L17] i++ [L17] COND TRUE i < 5 [L18] COND TRUE i > 5/2 [L19] EXPR x[i] [L19] ret = ret + x[i] [L20] cnt = cnt + 1 [L17] i++ [L17] COND TRUE i < 5 [L18] COND TRUE i > 5/2 [L19] EXPR x[i] [L19] ret = ret + x[i] [L20] cnt = cnt + 1 [L17] i++ [L17] COND FALSE !(i < 5) [L23] COND TRUE cnt !=0 [L24] return ret / cnt; [L41] ret2 = rangesum(x) [L42] EXPR x[0] [L42] temp=x[0] [L43] int i =0 ; [L43] COND TRUE i<5 -1 [L44] EXPR x[i+1] [L44] x[i] = x[i+1] [L43] i++ [L43] COND TRUE i<5 -1 [L44] EXPR x[i+1] [L44] x[i] = x[i+1] [L43] i++ [L43] COND TRUE i<5 -1 [L44] EXPR x[i+1] [L44] x[i] = x[i+1] [L43] i++ [L43] COND TRUE i<5 -1 [L44] EXPR x[i+1] [L44] x[i] = x[i+1] [L43] i++ [L43] COND FALSE !(i<5 -1) [L46] x[5 -1] = temp [L13] int i; [L14] long long ret; [L15] ret = 0 [L16] int cnt = 0; [L17] i = 0 [L17] COND TRUE i < 5 [L18] COND FALSE !(i > 5/2) [L17] i++ [L17] COND TRUE i < 5 [L18] COND FALSE !(i > 5/2) [L17] i++ [L17] COND TRUE i < 5 [L18] COND FALSE !(i > 5/2) [L17] i++ [L17] COND TRUE i < 5 [L18] COND TRUE i > 5/2 [L19] EXPR x[i] [L19] ret = ret + x[i] [L20] cnt = cnt + 1 [L17] i++ [L17] COND TRUE i < 5 [L18] COND TRUE i > 5/2 [L19] EXPR x[i] [L19] ret = ret + x[i] [L20] cnt = cnt + 1 [L17] i++ [L17] COND FALSE !(i < 5) [L23] COND TRUE cnt !=0 [L24] return ret / cnt; [L47] ret5 = rangesum(x) [L49] COND TRUE ret != ret2 || ret !=ret5 [L50] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 124 locations, 1 error locations. UNSAFE Result, 11.0s OverallTime, 13 OverallIterations, 5 TraceHistogramMax, 4.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1440 SDtfs, 561 SDslu, 5265 SDs, 0 SdLazy, 801 SolverSat, 135 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1585 GetRequests, 1470 SyntacticMatches, 0 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=382occurred in iteration=12, 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: 0.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 243 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 3.0s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 2380 NumberOfCodeBlocks, 2289 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 2125 ConstructedInterpolants, 0 QuantifiedInterpolants, 446889 SizeOfPredicates, 44 NumberOfNonLiveVariables, 2314 ConjunctsInSsa, 55 ConjunctsInUnsatCore, 15 InterpolantComputations, 5 PerfectInterpolantSequences, 1079/1207 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...