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/standard_sentinel_true-unreach-call.i.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-7aa59a0 [2019-05-23 11:21:11,345 INFO L146 ILogger]: Resetting all preferences to default values... [2019-05-23 11:21:11,346 INFO L146 ILogger]: Resetting UltimateCore preferences to default values [2019-05-23 11:21:11,361 INFO L146 ILogger]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-05-23 11:21:11,361 INFO L146 ILogger]: Resetting Boogie Preprocessor preferences to default values [2019-05-23 11:21:11,362 INFO L146 ILogger]: Resetting Boogie Procedure Inliner preferences to default values [2019-05-23 11:21:11,364 INFO L146 ILogger]: Resetting Abstract Interpretation preferences to default values [2019-05-23 11:21:11,365 INFO L146 ILogger]: Resetting LassoRanker preferences to default values [2019-05-23 11:21:11,367 INFO L146 ILogger]: Resetting Reaching Definitions preferences to default values [2019-05-23 11:21:11,368 INFO L146 ILogger]: Resetting SyntaxChecker preferences to default values [2019-05-23 11:21:11,369 INFO L146 ILogger]: Büchi Program Product provides no preferences, ignoring... [2019-05-23 11:21:11,369 INFO L146 ILogger]: Resetting LTL2Aut preferences to default values [2019-05-23 11:21:11,370 INFO L146 ILogger]: Resetting PEA to Boogie preferences to default values [2019-05-23 11:21:11,371 INFO L146 ILogger]: Resetting BlockEncodingV2 preferences to default values [2019-05-23 11:21:11,372 INFO L146 ILogger]: Resetting ChcToBoogie preferences to default values [2019-05-23 11:21:11,373 INFO L146 ILogger]: Resetting AutomataScriptInterpreter preferences to default values [2019-05-23 11:21:11,374 INFO L146 ILogger]: Resetting BuchiAutomizer preferences to default values [2019-05-23 11:21:11,376 INFO L146 ILogger]: Resetting CACSL2BoogieTranslator preferences to default values [2019-05-23 11:21:11,378 INFO L146 ILogger]: Resetting CodeCheck preferences to default values [2019-05-23 11:21:11,380 INFO L146 ILogger]: Resetting InvariantSynthesis preferences to default values [2019-05-23 11:21:11,381 INFO L146 ILogger]: Resetting RCFGBuilder preferences to default values [2019-05-23 11:21:11,383 INFO L146 ILogger]: Resetting TraceAbstraction preferences to default values [2019-05-23 11:21:11,385 INFO L146 ILogger]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-05-23 11:21:11,385 INFO L146 ILogger]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-05-23 11:21:11,386 INFO L146 ILogger]: Resetting TreeAutomizer preferences to default values [2019-05-23 11:21:11,387 INFO L146 ILogger]: Resetting IcfgToChc preferences to default values [2019-05-23 11:21:11,387 INFO L146 ILogger]: Resetting IcfgTransformer preferences to default values [2019-05-23 11:21:11,389 INFO L146 ILogger]: ReqToTest provides no preferences, ignoring... [2019-05-23 11:21:11,389 INFO L146 ILogger]: Resetting Boogie Printer preferences to default values [2019-05-23 11:21:11,390 INFO L146 ILogger]: Resetting ChcSmtPrinter preferences to default values [2019-05-23 11:21:11,391 INFO L146 ILogger]: Resetting ReqPrinter preferences to default values [2019-05-23 11:21:11,392 INFO L146 ILogger]: Resetting Witness Printer preferences to default values [2019-05-23 11:21:11,393 INFO L146 ILogger]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-05-23 11:21:11,393 INFO L146 ILogger]: Resetting CDTParser preferences to default values [2019-05-23 11:21:11,394 INFO L146 ILogger]: AutomataScriptParser provides no preferences, ignoring... [2019-05-23 11:21:11,394 INFO L146 ILogger]: ReqParser provides no preferences, ignoring... [2019-05-23 11:21:11,394 INFO L146 ILogger]: Resetting SmtParser preferences to default values [2019-05-23 11:21:11,395 INFO L146 ILogger]: Resetting Witness Parser preferences to default values [2019-05-23 11:21:11,396 INFO L146 ILogger]: Finished resetting all preferences to default values... [2019-05-23 11:21:11,397 INFO L146 ILogger]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-05-23 11:21:11,412 INFO L146 ILogger]: Loading preferences was successful [2019-05-23 11:21:11,413 INFO L146 ILogger]: Preferences different from defaults after loading the file: [2019-05-23 11:21:11,414 INFO L146 ILogger]: Preferences of BlockEncodingV2 differ from their defaults: [2019-05-23 11:21:11,414 INFO L146 ILogger]: * Create parallel compositions if possible=false [2019-05-23 11:21:11,414 INFO L146 ILogger]: * Use SBE=true [2019-05-23 11:21:11,415 INFO L146 ILogger]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-05-23 11:21:11,415 INFO L146 ILogger]: * sizeof long=4 [2019-05-23 11:21:11,415 INFO L146 ILogger]: * Overapproximate operations on floating types=true [2019-05-23 11:21:11,415 INFO L146 ILogger]: * sizeof POINTER=4 [2019-05-23 11:21:11,415 INFO L146 ILogger]: * Check division by zero=IGNORE [2019-05-23 11:21:11,416 INFO L146 ILogger]: * Pointer to allocated memory at dereference=IGNORE [2019-05-23 11:21:11,416 INFO L146 ILogger]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-05-23 11:21:11,416 INFO L146 ILogger]: * Check array bounds for arrays that are off heap=IGNORE [2019-05-23 11:21:11,416 INFO L146 ILogger]: * sizeof long double=12 [2019-05-23 11:21:11,416 INFO L146 ILogger]: * Check if freed pointer was valid=false [2019-05-23 11:21:11,417 INFO L146 ILogger]: * Use constant arrays=true [2019-05-23 11:21:11,417 INFO L146 ILogger]: * Pointer base address is valid at dereference=IGNORE [2019-05-23 11:21:11,417 INFO L146 ILogger]: Preferences of RCFGBuilder differ from their defaults: [2019-05-23 11:21:11,417 INFO L146 ILogger]: * Size of a code block=SequenceOfStatements [2019-05-23 11:21:11,417 INFO L146 ILogger]: * To the following directory=./dump/ [2019-05-23 11:21:11,418 INFO L146 ILogger]: * SMT solver=External_DefaultMode [2019-05-23 11:21:11,418 INFO L146 ILogger]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-05-23 11:21:11,418 INFO L146 ILogger]: Preferences of TraceAbstraction differ from their defaults: [2019-05-23 11:21:11,418 INFO L146 ILogger]: * Compute Interpolants along a Counterexample=FPandBP [2019-05-23 11:21:11,418 INFO L146 ILogger]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-05-23 11:21:11,419 INFO L146 ILogger]: * Trace refinement strategy=CAMEL [2019-05-23 11:21:11,419 INFO L146 ILogger]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-05-23 11:21:11,419 INFO L146 ILogger]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-05-23 11:21:11,419 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 11:21:11,465 INFO L146 ILogger]: Repository-Root is: /tmp [2019-05-23 11:21:11,476 INFO L146 ILogger]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-05-23 11:21:11,480 INFO L146 ILogger]: [Toolchain 1]: Toolchain selected. [2019-05-23 11:21:11,481 INFO L146 ILogger]: Initializing CDTParser... [2019-05-23 11:21:11,482 INFO L146 ILogger]: CDTParser initialized [2019-05-23 11:21:11,483 INFO L146 ILogger]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/array-examples/standard_sentinel_true-unreach-call.i.v+cfa-reducer.c [2019-05-23 11:21:11,537 INFO L146 ILogger]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd1c6a8e8/4f4d656b52504956b2304f1d52e03815/FLAG3ae65a118 [2019-05-23 11:21:12,011 INFO L146 ILogger]: Found 1 translation units. [2019-05-23 11:21:12,012 INFO L146 ILogger]: Scanning /storage/repos/svcomp/c/array-examples/standard_sentinel_true-unreach-call.i.v+cfa-reducer.c [2019-05-23 11:21:12,020 INFO L146 ILogger]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd1c6a8e8/4f4d656b52504956b2304f1d52e03815/FLAG3ae65a118 [2019-05-23 11:21:12,327 INFO L146 ILogger]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd1c6a8e8/4f4d656b52504956b2304f1d52e03815 [2019-05-23 11:21:12,339 INFO L146 ILogger]: ####################### [Toolchain 1] ####################### [2019-05-23 11:21:12,341 INFO L146 ILogger]: Walking toolchain with 5 elements. [2019-05-23 11:21:12,343 INFO L146 ILogger]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-05-23 11:21:12,343 INFO L146 ILogger]: Initializing CACSL2BoogieTranslator... [2019-05-23 11:21:12,349 INFO L146 ILogger]: CACSL2BoogieTranslator initialized [2019-05-23 11:21:12,350 INFO L146 ILogger]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.05 11:21:12" (1/1) ... [2019-05-23 11:21:12,353 INFO L146 ILogger]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@273a92dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:21:12, skipping insertion in model container [2019-05-23 11:21:12,354 INFO L146 ILogger]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.05 11:21:12" (1/1) ... [2019-05-23 11:21:12,362 INFO L146 ILogger]: Starting translation in SV-COMP mode [2019-05-23 11:21:12,378 INFO L146 ILogger]: Built tables and reachable declarations [2019-05-23 11:21:12,537 INFO L146 ILogger]: Analyzing one entry point: main [2019-05-23 11:21:12,542 INFO L146 ILogger]: Completed pre-run [2019-05-23 11:21:12,561 INFO L146 ILogger]: Analyzing one entry point: main [2019-05-23 11:21:12,580 INFO L146 ILogger]: Completed translation [2019-05-23 11:21:12,581 INFO L146 ILogger]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:21:12 WrapperNode [2019-05-23 11:21:12,581 INFO L146 ILogger]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-05-23 11:21:12,582 INFO L146 ILogger]: ------------------------Boogie Procedure Inliner---------------------------- [2019-05-23 11:21:12,582 INFO L146 ILogger]: Initializing Boogie Procedure Inliner... [2019-05-23 11:21:12,582 INFO L146 ILogger]: Boogie Procedure Inliner initialized [2019-05-23 11:21:12,589 INFO L146 ILogger]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:21:12" (1/1) ... [2019-05-23 11:21:12,598 INFO L146 ILogger]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:21:12" (1/1) ... [2019-05-23 11:21:12,618 INFO L146 ILogger]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-05-23 11:21:12,618 INFO L146 ILogger]: ------------------------Boogie Preprocessor---------------------------- [2019-05-23 11:21:12,619 INFO L146 ILogger]: Initializing Boogie Preprocessor... [2019-05-23 11:21:12,619 INFO L146 ILogger]: Boogie Preprocessor initialized [2019-05-23 11:21:12,627 INFO L146 ILogger]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:21:12" (1/1) ... [2019-05-23 11:21:12,627 INFO L146 ILogger]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:21:12" (1/1) ... [2019-05-23 11:21:12,629 INFO L146 ILogger]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:21:12" (1/1) ... [2019-05-23 11:21:12,629 INFO L146 ILogger]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:21:12" (1/1) ... [2019-05-23 11:21:12,634 INFO L146 ILogger]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:21:12" (1/1) ... [2019-05-23 11:21:12,637 INFO L146 ILogger]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:21:12" (1/1) ... [2019-05-23 11:21:12,638 INFO L146 ILogger]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:21:12" (1/1) ... [2019-05-23 11:21:12,640 INFO L146 ILogger]: ------------------------ END Boogie Preprocessor---------------------------- [2019-05-23 11:21:12,640 INFO L146 ILogger]: ------------------------RCFGBuilder---------------------------- [2019-05-23 11:21:12,640 INFO L146 ILogger]: Initializing RCFGBuilder... [2019-05-23 11:21:12,641 INFO L146 ILogger]: RCFGBuilder initialized [2019-05-23 11:21:12,642 INFO L146 ILogger]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:21:12" (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 11:21:12,800 INFO L146 ILogger]: Found specification of procedure write~int [2019-05-23 11:21:12,800 INFO L146 ILogger]: Found specification of procedure ULTIMATE.start [2019-05-23 11:21:12,801 INFO L146 ILogger]: Found implementation of procedure ULTIMATE.start [2019-05-23 11:21:12,801 INFO L146 ILogger]: Found specification of procedure read~int [2019-05-23 11:21:12,801 INFO L146 ILogger]: Found specification of procedure #Ultimate.allocOnStack [2019-05-23 11:21:12,801 INFO L146 ILogger]: Found specification of procedure ULTIMATE.dealloc [2019-05-23 11:21:13,208 INFO L146 ILogger]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-05-23 11:21:13,208 INFO L146 ILogger]: Removed 4 assume(true) statements. [2019-05-23 11:21:13,209 INFO L146 ILogger]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.05 11:21:13 BoogieIcfgContainer [2019-05-23 11:21:13,210 INFO L146 ILogger]: ------------------------ END RCFGBuilder---------------------------- [2019-05-23 11:21:13,211 INFO L146 ILogger]: ------------------------TraceAbstraction---------------------------- [2019-05-23 11:21:13,211 INFO L146 ILogger]: Initializing TraceAbstraction... [2019-05-23 11:21:13,214 INFO L146 ILogger]: TraceAbstraction initialized [2019-05-23 11:21:13,214 INFO L146 ILogger]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.05 11:21:12" (1/3) ... [2019-05-23 11:21:13,215 INFO L146 ILogger]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@183283de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.05 11:21:13, skipping insertion in model container [2019-05-23 11:21:13,215 INFO L146 ILogger]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:21:12" (2/3) ... [2019-05-23 11:21:13,216 INFO L146 ILogger]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@183283de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.05 11:21:13, skipping insertion in model container [2019-05-23 11:21:13,216 INFO L146 ILogger]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.05 11:21:13" (3/3) ... [2019-05-23 11:21:13,218 INFO L146 ILogger]: Analyzing ICFG standard_sentinel_true-unreach-call.i.v+cfa-reducer.c [2019-05-23 11:21:13,228 INFO L146 ILogger]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-05-23 11:21:13,237 INFO L146 ILogger]: Appying trace abstraction to program that has 1 error locations. [2019-05-23 11:21:13,254 INFO L146 ILogger]: Starting to check reachability of 1 error locations. [2019-05-23 11:21:13,285 INFO L146 ILogger]: Using default assertion order modulation [2019-05-23 11:21:13,286 INFO L146 ILogger]: Interprodecural is true [2019-05-23 11:21:13,286 INFO L146 ILogger]: Hoare is true [2019-05-23 11:21:13,286 INFO L146 ILogger]: Compute interpolants for FPandBP [2019-05-23 11:21:13,286 INFO L146 ILogger]: Backedges is STRAIGHT_LINE [2019-05-23 11:21:13,287 INFO L146 ILogger]: Determinization is PREDICATE_ABSTRACTION [2019-05-23 11:21:13,287 INFO L146 ILogger]: Difference is false [2019-05-23 11:21:13,287 INFO L146 ILogger]: Minimize is MINIMIZE_SEVPA [2019-05-23 11:21:13,287 INFO L146 ILogger]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-05-23 11:21:13,303 INFO L146 ILogger]: Start isEmpty. Operand 47 states. [2019-05-23 11:21:13,310 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 29 [2019-05-23 11:21:13,310 INFO L146 ILogger]: Found error trace [2019-05-23 11:21:13,311 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] [2019-05-23 11:21:13,313 INFO L146 ILogger]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-05-23 11:21:13,318 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 11:21:13,318 INFO L146 ILogger]: Analyzing trace with hash 1510905042, now seen corresponding path program 1 times [2019-05-23 11:21:13,320 INFO L146 ILogger]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-05-23 11:21:13,320 INFO L146 ILogger]: Using refinement strategy CamelRefinementStrategy [2019-05-23 11:21:13,364 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:21:13,364 INFO L146 ILogger]: Keeping assertion order NOT_INCREMENTALLY [2019-05-23 11:21:13,364 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:21:13,424 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 11:21:13,618 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 11:21:13,621 INFO L146 ILogger]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-05-23 11:21:13,622 INFO L146 ILogger]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-05-23 11:21:13,625 INFO L146 ILogger]: Interpolant automaton has 6 states [2019-05-23 11:21:13,639 INFO L146 ILogger]: Constructing interpolant automaton starting with 6 interpolants. [2019-05-23 11:21:13,641 INFO L146 ILogger]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-05-23 11:21:13,643 INFO L146 ILogger]: Start difference. First operand 47 states. Second operand 6 states. [2019-05-23 11:21:14,338 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 11:21:14,338 INFO L146 ILogger]: Finished difference Result 75 states and 76 transitions. [2019-05-23 11:21:14,338 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-05-23 11:21:14,339 INFO L146 ILogger]: Start accepts. Automaton has 6 states. Word has length 28 [2019-05-23 11:21:14,340 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 11:21:14,349 INFO L146 ILogger]: With dead ends: 75 [2019-05-23 11:21:14,349 INFO L146 ILogger]: Without dead ends: 35 [2019-05-23 11:21:14,353 INFO L146 ILogger]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-05-23 11:21:14,367 INFO L146 ILogger]: Start minimizeSevpa. Operand 35 states. [2019-05-23 11:21:14,382 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 35 to 33. [2019-05-23 11:21:14,384 INFO L146 ILogger]: Start removeUnreachable. Operand 33 states. [2019-05-23 11:21:14,385 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2019-05-23 11:21:14,387 INFO L146 ILogger]: Start accepts. Automaton has 33 states and 33 transitions. Word has length 28 [2019-05-23 11:21:14,387 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 11:21:14,388 INFO L146 ILogger]: Abstraction has 33 states and 33 transitions. [2019-05-23 11:21:14,388 INFO L146 ILogger]: Interpolant automaton has 6 states. [2019-05-23 11:21:14,388 INFO L146 ILogger]: Start isEmpty. Operand 33 states and 33 transitions. [2019-05-23 11:21:14,389 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 33 [2019-05-23 11:21:14,389 INFO L146 ILogger]: Found error trace [2019-05-23 11:21:14,390 INFO L146 ILogger]: trace histogram [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] [2019-05-23 11:21:14,390 INFO L146 ILogger]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-05-23 11:21:14,390 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 11:21:14,391 INFO L146 ILogger]: Analyzing trace with hash 1214909646, now seen corresponding path program 1 times [2019-05-23 11:21:14,391 INFO L146 ILogger]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-05-23 11:21:14,391 INFO L146 ILogger]: Using refinement strategy CamelRefinementStrategy [2019-05-23 11:21:14,392 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:21:14,393 INFO L146 ILogger]: Keeping assertion order NOT_INCREMENTALLY [2019-05-23 11:21:14,393 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:21:14,436 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 11:21:14,795 WARN L146 ILogger]: Spent 137.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 18 [2019-05-23 11:21:15,029 WARN L146 ILogger]: Spent 182.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 22 [2019-05-23 11:21:15,558 WARN L146 ILogger]: Spent 346.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 13 [2019-05-23 11:21:15,680 INFO L146 ILogger]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 11:21:15,681 INFO L146 ILogger]: The current sequences of interpolants are not accepted, trying to find more. [2019-05-23 11:21:15,681 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 11:21:15,694 INFO L146 ILogger]: Keeping assertion order NOT_INCREMENTALLY [2019-05-23 11:21:15,716 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 11:21:15,718 INFO L146 ILogger]: Trace formula consists of 58 conjuncts, 13 conjunts are in the unsatisfiable core [2019-05-23 11:21:15,724 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 11:21:15,799 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2019-05-23 11:21:15,799 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:21:15,811 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:21:15,812 INFO L146 ILogger]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:21:15,812 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:15 [2019-05-23 11:21:15,941 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:21:15,942 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 23 [2019-05-23 11:21:15,943 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2019-05-23 11:21:15,978 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:21:15,980 INFO L146 ILogger]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-05-23 11:21:15,981 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:23 [2019-05-23 11:21:16,173 INFO L146 ILogger]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 11:21:16,200 INFO L146 ILogger]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-05-23 11:21:16,201 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10] total 20 [2019-05-23 11:21:16,202 INFO L146 ILogger]: Interpolant automaton has 20 states [2019-05-23 11:21:16,202 INFO L146 ILogger]: Constructing interpolant automaton starting with 20 interpolants. [2019-05-23 11:21:16,203 INFO L146 ILogger]: CoverageRelationStatistics Valid=87, Invalid=293, Unknown=0, NotChecked=0, Total=380 [2019-05-23 11:21:16,203 INFO L146 ILogger]: Start difference. First operand 33 states and 33 transitions. Second operand 20 states. [2019-05-23 11:21:16,564 WARN L146 ILogger]: Spent 139.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 22 [2019-05-23 11:21:16,955 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 11:21:16,956 INFO L146 ILogger]: Finished difference Result 47 states and 47 transitions. [2019-05-23 11:21:16,956 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-05-23 11:21:16,956 INFO L146 ILogger]: Start accepts. Automaton has 20 states. Word has length 32 [2019-05-23 11:21:16,957 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 11:21:16,957 INFO L146 ILogger]: With dead ends: 47 [2019-05-23 11:21:16,958 INFO L146 ILogger]: Without dead ends: 39 [2019-05-23 11:21:16,960 INFO L146 ILogger]: 0 DeclaredPredicates, 51 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=183, Invalid=519, Unknown=0, NotChecked=0, Total=702 [2019-05-23 11:21:16,961 INFO L146 ILogger]: Start minimizeSevpa. Operand 39 states. [2019-05-23 11:21:16,964 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 39 to 37. [2019-05-23 11:21:16,965 INFO L146 ILogger]: Start removeUnreachable. Operand 37 states. [2019-05-23 11:21:16,965 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 37 states to 37 states and 37 transitions. [2019-05-23 11:21:16,966 INFO L146 ILogger]: Start accepts. Automaton has 37 states and 37 transitions. Word has length 32 [2019-05-23 11:21:16,966 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 11:21:16,966 INFO L146 ILogger]: Abstraction has 37 states and 37 transitions. [2019-05-23 11:21:16,966 INFO L146 ILogger]: Interpolant automaton has 20 states. [2019-05-23 11:21:16,967 INFO L146 ILogger]: Start isEmpty. Operand 37 states and 37 transitions. [2019-05-23 11:21:16,968 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 37 [2019-05-23 11:21:16,968 INFO L146 ILogger]: Found error trace [2019-05-23 11:21:16,968 INFO L146 ILogger]: trace histogram [3, 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] [2019-05-23 11:21:16,968 INFO L146 ILogger]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-05-23 11:21:16,969 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 11:21:16,969 INFO L146 ILogger]: Analyzing trace with hash 739321546, now seen corresponding path program 2 times [2019-05-23 11:21:16,969 INFO L146 ILogger]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-05-23 11:21:16,969 INFO L146 ILogger]: Using refinement strategy CamelRefinementStrategy [2019-05-23 11:21:16,970 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:21:16,971 INFO L146 ILogger]: Keeping assertion order NOT_INCREMENTALLY [2019-05-23 11:21:16,971 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:21:16,999 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 11:21:17,660 WARN L146 ILogger]: Spent 181.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 24 [2019-05-23 11:21:17,790 WARN L146 ILogger]: Spent 112.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 18 [2019-05-23 11:21:18,001 WARN L146 ILogger]: Spent 193.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 23 [2019-05-23 11:21:18,244 INFO L146 ILogger]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 11:21:18,244 INFO L146 ILogger]: The current sequences of interpolants are not accepted, trying to find more. [2019-05-23 11:21:18,244 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 11:21:18,255 INFO L146 ILogger]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-05-23 11:21:18,272 INFO L146 ILogger]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-05-23 11:21:18,272 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 11:21:18,274 INFO L146 ILogger]: Trace formula consists of 64 conjuncts, 21 conjunts are in the unsatisfiable core [2019-05-23 11:21:18,276 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 11:21:18,312 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 22 [2019-05-23 11:21:18,312 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:21:18,324 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 22 [2019-05-23 11:21:18,324 INFO L146 ILogger]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-05-23 11:21:18,355 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:21:18,355 INFO L146 ILogger]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-05-23 11:21:18,355 INFO L146 ILogger]: Needed 3 recursive calls to eliminate 1 variables, input treesize:53, output treesize:45 [2019-05-23 11:21:18,535 INFO L146 ILogger]: detected not equals via solver [2019-05-23 11:21:18,547 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:21:18,548 INFO L146 ILogger]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 33 [2019-05-23 11:21:18,550 INFO L146 ILogger]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-05-23 11:21:18,571 INFO L146 ILogger]: treesize reduction 0, result has 100.0 percent of original size [2019-05-23 11:21:18,572 INFO L146 ILogger]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-05-23 11:21:18,572 INFO L146 ILogger]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:32 [2019-05-23 11:21:18,734 INFO L146 ILogger]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 11:21:18,755 INFO L146 ILogger]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-05-23 11:21:18,756 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14] total 23 [2019-05-23 11:21:18,756 INFO L146 ILogger]: Interpolant automaton has 23 states [2019-05-23 11:21:18,756 INFO L146 ILogger]: Constructing interpolant automaton starting with 23 interpolants. [2019-05-23 11:21:18,757 INFO L146 ILogger]: CoverageRelationStatistics Valid=113, Invalid=393, Unknown=0, NotChecked=0, Total=506 [2019-05-23 11:21:18,757 INFO L146 ILogger]: Start difference. First operand 37 states and 37 transitions. Second operand 23 states. [2019-05-23 11:21:20,111 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 11:21:20,112 INFO L146 ILogger]: Finished difference Result 49 states and 50 transitions. [2019-05-23 11:21:20,112 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-05-23 11:21:20,112 INFO L146 ILogger]: Start accepts. Automaton has 23 states. Word has length 36 [2019-05-23 11:21:20,113 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 11:21:20,113 INFO L146 ILogger]: With dead ends: 49 [2019-05-23 11:21:20,113 INFO L146 ILogger]: Without dead ends: 0 [2019-05-23 11:21:20,115 INFO L146 ILogger]: 0 DeclaredPredicates, 65 GetRequests, 27 SyntacticMatches, 3 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 352 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=339, Invalid=993, Unknown=0, NotChecked=0, Total=1332 [2019-05-23 11:21:20,115 INFO L146 ILogger]: Start minimizeSevpa. Operand 0 states. [2019-05-23 11:21:20,115 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-05-23 11:21:20,115 INFO L146 ILogger]: Start removeUnreachable. Operand 0 states. [2019-05-23 11:21:20,115 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-05-23 11:21:20,115 INFO L146 ILogger]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2019-05-23 11:21:20,115 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 11:21:20,116 INFO L146 ILogger]: Abstraction has 0 states and 0 transitions. [2019-05-23 11:21:20,116 INFO L146 ILogger]: Interpolant automaton has 23 states. [2019-05-23 11:21:20,116 INFO L146 ILogger]: Start isEmpty. Operand 0 states and 0 transitions. [2019-05-23 11:21:20,116 INFO L146 ILogger]: Finished isEmpty. No accepting run. [2019-05-23 11:21:20,120 INFO L146 ILogger]: Before removal of dead ends 0 states and 0 transitions. [2019-05-23 11:21:20,205 INFO L146 ILogger]: For program point L31(line 31) no Hoare annotation was computed. [2019-05-23 11:21:20,205 INFO L146 ILogger]: For program point L23(line 23) no Hoare annotation was computed. [2019-05-23 11:21:20,205 INFO L146 ILogger]: For program point L48(line 48) no Hoare annotation was computed. [2019-05-23 11:21:20,205 INFO L146 ILogger]: For program point L11(line 11) no Hoare annotation was computed. [2019-05-23 11:21:20,206 INFO L146 ILogger]: For program point L11-1(line 11) no Hoare annotation was computed. [2019-05-23 11:21:20,206 INFO L146 ILogger]: For program point L11-2(line 11) no Hoare annotation was computed. [2019-05-23 11:21:20,206 INFO L146 ILogger]: For program point L40(line 40) no Hoare annotation was computed. [2019-05-23 11:21:20,206 INFO L146 ILogger]: For program point L36(line 36) no Hoare annotation was computed. [2019-05-23 11:21:20,206 INFO L146 ILogger]: For program point L32(line 32) no Hoare annotation was computed. [2019-05-23 11:21:20,206 INFO L146 ILogger]: For program point L-1(line -1) no Hoare annotation was computed. [2019-05-23 11:21:20,206 INFO L146 ILogger]: For program point L-1-1(line -1) no Hoare annotation was computed. [2019-05-23 11:21:20,206 INFO L146 ILogger]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-05-23 11:21:20,206 INFO L146 ILogger]: For program point L-1-2(line -1) no Hoare annotation was computed. [2019-05-23 11:21:20,207 INFO L146 ILogger]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-05-23 11:21:20,207 INFO L146 ILogger]: At program point L24(lines 17 45) the Hoare annotation is: (let ((.cse2 (+ (* 4 ULTIMATE.start_main_~main__pos~0) |ULTIMATE.start_main_~#main__a~0.offset|))) (let ((.cse0 (= 0 |ULTIMATE.start_main_~#main__a~0.offset|)) (.cse1 (= ULTIMATE.start_main_~main__marker~0 (select (select |#memory_int| |ULTIMATE.start_main_~#main__a~0.base|) .cse2)))) (or (and (or (= ULTIMATE.start_main_~main__i~0 ULTIMATE.start_main_~main__pos~0) (< ULTIMATE.start_main_~main__i~0 ULTIMATE.start_main_~main__pos~0)) .cse0 .cse1 (< 0 .cse2)) (and (= ULTIMATE.start_main_~main__i~0 0) .cse0 (= .cse2 0) .cse1)))) [2019-05-23 11:21:20,207 INFO L146 ILogger]: For program point L53(line 53) no Hoare annotation was computed. [2019-05-23 11:21:20,207 INFO L146 ILogger]: At program point L53-1(lines 7 55) the Hoare annotation is: true [2019-05-23 11:21:20,207 INFO L146 ILogger]: For program point L16(lines 16 49) no Hoare annotation was computed. [2019-05-23 11:21:20,207 INFO L146 ILogger]: For program point L12(line 12) no Hoare annotation was computed. [2019-05-23 11:21:20,208 INFO L146 ILogger]: For program point L41(line 41) no Hoare annotation was computed. [2019-05-23 11:21:20,208 INFO L146 ILogger]: For program point L33(lines 33 42) no Hoare annotation was computed. [2019-05-23 11:21:20,208 INFO L146 ILogger]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-05-23 11:21:20,208 INFO L146 ILogger]: For program point L29(line 29) no Hoare annotation was computed. [2019-05-23 11:21:20,208 INFO L146 ILogger]: For program point L21(lines 21 44) no Hoare annotation was computed. [2019-05-23 11:21:20,208 INFO L146 ILogger]: For program point L21-1(line 21) no Hoare annotation was computed. [2019-05-23 11:21:20,208 INFO L146 ILogger]: For program point L21-2(line 21) no Hoare annotation was computed. [2019-05-23 11:21:20,209 INFO L146 ILogger]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 35) no Hoare annotation was computed. [2019-05-23 11:21:20,209 INFO L146 ILogger]: For program point L13(line 13) no Hoare annotation was computed. [2019-05-23 11:21:20,209 INFO L146 ILogger]: For program point L13-1(line 13) no Hoare annotation was computed. [2019-05-23 11:21:20,209 INFO L146 ILogger]: For program point L13-2(line 13) no Hoare annotation was computed. [2019-05-23 11:21:20,209 INFO L146 ILogger]: For program point L9(line 9) no Hoare annotation was computed. [2019-05-23 11:21:20,209 INFO L146 ILogger]: For program point L9-1(line 9) no Hoare annotation was computed. [2019-05-23 11:21:20,210 INFO L146 ILogger]: For program point L9-2(line 9) no Hoare annotation was computed. [2019-05-23 11:21:20,210 INFO L146 ILogger]: For program point L9-3(line 9) no Hoare annotation was computed. [2019-05-23 11:21:20,210 INFO L146 ILogger]: For program point L9-4(line 9) no Hoare annotation was computed. [2019-05-23 11:21:20,210 INFO L146 ILogger]: For program point L9-5(line 9) no Hoare annotation was computed. [2019-05-23 11:21:20,210 INFO L146 ILogger]: For program point L9-6(line 9) no Hoare annotation was computed. [2019-05-23 11:21:20,210 INFO L146 ILogger]: For program point L9-7(line 9) no Hoare annotation was computed. [2019-05-23 11:21:20,210 INFO L146 ILogger]: For program point L1(line 1) no Hoare annotation was computed. [2019-05-23 11:21:20,210 INFO L146 ILogger]: For program point L9-8(line 9) no Hoare annotation was computed. [2019-05-23 11:21:20,210 INFO L146 ILogger]: For program point L9-9(line 9) no Hoare annotation was computed. [2019-05-23 11:21:20,210 INFO L146 ILogger]: For program point L30(line 30) no Hoare annotation was computed. [2019-05-23 11:21:20,211 INFO L146 ILogger]: For program point L18(line 18) no Hoare annotation was computed. [2019-05-23 11:21:20,211 INFO L146 ILogger]: For program point L18-1(line 18) no Hoare annotation was computed. [2019-05-23 11:21:20,211 INFO L146 ILogger]: For program point L14(lines 14 54) no Hoare annotation was computed. [2019-05-23 11:21:20,211 INFO L146 ILogger]: For program point L6(line 6) no Hoare annotation was computed. [2019-05-23 11:21:20,211 INFO L146 ILogger]: For program point L35(line 35) no Hoare annotation was computed. [2019-05-23 11:21:20,219 WARN L146 ILogger]: unknown boogie variable #memory_int [2019-05-23 11:21:20,220 WARN L146 ILogger]: unknown boogie variable #memory_int [2019-05-23 11:21:20,225 WARN L146 ILogger]: unknown boogie variable #memory_int [2019-05-23 11:21:20,225 WARN L146 ILogger]: unknown boogie variable #memory_int [2019-05-23 11:21:20,228 INFO L146 ILogger]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.05 11:21:20 BoogieIcfgContainer [2019-05-23 11:21:20,228 INFO L146 ILogger]: ------------------------ END TraceAbstraction---------------------------- [2019-05-23 11:21:20,229 INFO L146 ILogger]: Toolchain (without parser) took 7888.67 ms. Allocated memory was 140.5 MB in the beginning and 258.5 MB in the end (delta: 118.0 MB). Free memory was 88.5 MB in the beginning and 132.6 MB in the end (delta: -44.1 MB). Peak memory consumption was 73.9 MB. Max. memory is 7.1 GB. [2019-05-23 11:21:20,230 INFO L146 ILogger]: CDTParser took 0.20 ms. Allocated memory is still 140.5 MB. Free memory was 106.8 MB in the beginning and 106.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-05-23 11:21:20,231 INFO L146 ILogger]: CACSL2BoogieTranslator took 238.29 ms. Allocated memory is still 140.5 MB. Free memory was 88.3 MB in the beginning and 78.3 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-05-23 11:21:20,232 INFO L146 ILogger]: Boogie Procedure Inliner took 36.45 ms. Allocated memory is still 140.5 MB. Free memory was 78.3 MB in the beginning and 76.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. [2019-05-23 11:21:20,233 INFO L146 ILogger]: Boogie Preprocessor took 21.36 ms. Allocated memory is still 140.5 MB. Free memory was 76.8 MB in the beginning and 75.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-05-23 11:21:20,234 INFO L146 ILogger]: RCFGBuilder took 569.54 ms. Allocated memory was 140.5 MB in the beginning and 201.9 MB in the end (delta: 61.3 MB). Free memory was 75.5 MB in the beginning and 165.4 MB in the end (delta: -89.9 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. [2019-05-23 11:21:20,235 INFO L146 ILogger]: TraceAbstraction took 7017.30 ms. Allocated memory was 201.9 MB in the beginning and 258.5 MB in the end (delta: 56.6 MB). Free memory was 164.8 MB in the beginning and 132.6 MB in the end (delta: 32.3 MB). Peak memory consumption was 88.9 MB. Max. memory is 7.1 GB. [2019-05-23 11:21:20,239 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 was 106.8 MB in the beginning and 106.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 238.29 ms. Allocated memory is still 140.5 MB. Free memory was 88.3 MB in the beginning and 78.3 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 36.45 ms. Allocated memory is still 140.5 MB. Free memory was 78.3 MB in the beginning and 76.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 21.36 ms. Allocated memory is still 140.5 MB. Free memory was 76.8 MB in the beginning and 75.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 569.54 ms. Allocated memory was 140.5 MB in the beginning and 201.9 MB in the end (delta: 61.3 MB). Free memory was 75.5 MB in the beginning and 165.4 MB in the end (delta: -89.9 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 7017.30 ms. Allocated memory was 201.9 MB in the beginning and 258.5 MB in the end (delta: 56.6 MB). Free memory was 164.8 MB in the beginning and 132.6 MB in the end (delta: 32.3 MB). Peak memory consumption was 88.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 35]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant [2019-05-23 11:21:20,250 WARN L146 ILogger]: unknown boogie variable #memory_int [2019-05-23 11:21:20,251 WARN L146 ILogger]: unknown boogie variable #memory_int [2019-05-23 11:21:20,252 WARN L146 ILogger]: unknown boogie variable #memory_int [2019-05-23 11:21:20,252 WARN L146 ILogger]: unknown boogie variable #memory_int Derived loop invariant: ((((main__i == main__pos || main__i < main__pos) && 0 == main__a) && main__marker == unknown-#memory_int-unknown[main__a][4 * main__pos + main__a]) && 0 < 4 * main__pos + main__a) || (((main__i == 0 && 0 == main__a) && 4 * main__pos + main__a == 0) && main__marker == unknown-#memory_int-unknown[main__a][4 * main__pos + main__a]) - InvariantResult [Line: 7]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 47 locations, 1 error locations. SAFE Result, 6.9s OverallTime, 3 OverallIterations, 3 TraceHistogramMax, 2.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 86 SDtfs, 325 SDslu, 441 SDs, 0 SdLazy, 344 SolverSat, 40 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 125 GetRequests, 55 SyntacticMatches, 3 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 509 ImplicationChecksByTransitivity, 4.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred 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, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 9 NumberOfFragments, 56 HoareAnnotationTreeSize, 2 FomulaSimplifications, 47 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 78 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 164 NumberOfCodeBlocks, 164 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 159 ConstructedInterpolants, 0 QuantifiedInterpolants, 44292 SizeOfPredicates, 19 NumberOfNonLiveVariables, 122 ConjunctsInSsa, 34 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 0/20 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...