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-crafted/mapsum5_true-unreach-call.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-7aa59a0 [2019-05-23 11:28:39,482 INFO L146 ILogger]: Resetting all preferences to default values... [2019-05-23 11:28:39,484 INFO L146 ILogger]: Resetting UltimateCore preferences to default values [2019-05-23 11:28:39,502 INFO L146 ILogger]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-05-23 11:28:39,502 INFO L146 ILogger]: Resetting Boogie Preprocessor preferences to default values [2019-05-23 11:28:39,503 INFO L146 ILogger]: Resetting Boogie Procedure Inliner preferences to default values [2019-05-23 11:28:39,505 INFO L146 ILogger]: Resetting Abstract Interpretation preferences to default values [2019-05-23 11:28:39,508 INFO L146 ILogger]: Resetting LassoRanker preferences to default values [2019-05-23 11:28:39,509 INFO L146 ILogger]: Resetting Reaching Definitions preferences to default values [2019-05-23 11:28:39,512 INFO L146 ILogger]: Resetting SyntaxChecker preferences to default values [2019-05-23 11:28:39,514 INFO L146 ILogger]: Büchi Program Product provides no preferences, ignoring... [2019-05-23 11:28:39,514 INFO L146 ILogger]: Resetting LTL2Aut preferences to default values [2019-05-23 11:28:39,515 INFO L146 ILogger]: Resetting PEA to Boogie preferences to default values [2019-05-23 11:28:39,516 INFO L146 ILogger]: Resetting BlockEncodingV2 preferences to default values [2019-05-23 11:28:39,517 INFO L146 ILogger]: Resetting ChcToBoogie preferences to default values [2019-05-23 11:28:39,526 INFO L146 ILogger]: Resetting AutomataScriptInterpreter preferences to default values [2019-05-23 11:28:39,527 INFO L146 ILogger]: Resetting BuchiAutomizer preferences to default values [2019-05-23 11:28:39,530 INFO L146 ILogger]: Resetting CACSL2BoogieTranslator preferences to default values [2019-05-23 11:28:39,532 INFO L146 ILogger]: Resetting CodeCheck preferences to default values [2019-05-23 11:28:39,534 INFO L146 ILogger]: Resetting InvariantSynthesis preferences to default values [2019-05-23 11:28:39,536 INFO L146 ILogger]: Resetting RCFGBuilder preferences to default values [2019-05-23 11:28:39,537 INFO L146 ILogger]: Resetting TraceAbstraction preferences to default values [2019-05-23 11:28:39,541 INFO L146 ILogger]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-05-23 11:28:39,541 INFO L146 ILogger]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-05-23 11:28:39,541 INFO L146 ILogger]: Resetting TreeAutomizer preferences to default values [2019-05-23 11:28:39,542 INFO L146 ILogger]: Resetting IcfgToChc preferences to default values [2019-05-23 11:28:39,542 INFO L146 ILogger]: Resetting IcfgTransformer preferences to default values [2019-05-23 11:28:39,545 INFO L146 ILogger]: ReqToTest provides no preferences, ignoring... [2019-05-23 11:28:39,545 INFO L146 ILogger]: Resetting Boogie Printer preferences to default values [2019-05-23 11:28:39,546 INFO L146 ILogger]: Resetting ChcSmtPrinter preferences to default values [2019-05-23 11:28:39,548 INFO L146 ILogger]: Resetting ReqPrinter preferences to default values [2019-05-23 11:28:39,550 INFO L146 ILogger]: Resetting Witness Printer preferences to default values [2019-05-23 11:28:39,552 INFO L146 ILogger]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-05-23 11:28:39,552 INFO L146 ILogger]: Resetting CDTParser preferences to default values [2019-05-23 11:28:39,553 INFO L146 ILogger]: AutomataScriptParser provides no preferences, ignoring... [2019-05-23 11:28:39,553 INFO L146 ILogger]: ReqParser provides no preferences, ignoring... [2019-05-23 11:28:39,553 INFO L146 ILogger]: Resetting SmtParser preferences to default values [2019-05-23 11:28:39,556 INFO L146 ILogger]: Resetting Witness Parser preferences to default values [2019-05-23 11:28:39,557 INFO L146 ILogger]: Finished resetting all preferences to default values... [2019-05-23 11:28:39,557 INFO L146 ILogger]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-05-23 11:28:39,585 INFO L146 ILogger]: Loading preferences was successful [2019-05-23 11:28:39,585 INFO L146 ILogger]: Preferences different from defaults after loading the file: [2019-05-23 11:28:39,586 INFO L146 ILogger]: Preferences of BlockEncodingV2 differ from their defaults: [2019-05-23 11:28:39,586 INFO L146 ILogger]: * Create parallel compositions if possible=false [2019-05-23 11:28:39,587 INFO L146 ILogger]: * Use SBE=true [2019-05-23 11:28:39,588 INFO L146 ILogger]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-05-23 11:28:39,588 INFO L146 ILogger]: * sizeof long=4 [2019-05-23 11:28:39,588 INFO L146 ILogger]: * Overapproximate operations on floating types=true [2019-05-23 11:28:39,588 INFO L146 ILogger]: * sizeof POINTER=4 [2019-05-23 11:28:39,589 INFO L146 ILogger]: * Check division by zero=IGNORE [2019-05-23 11:28:39,589 INFO L146 ILogger]: * Pointer to allocated memory at dereference=IGNORE [2019-05-23 11:28:39,589 INFO L146 ILogger]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-05-23 11:28:39,589 INFO L146 ILogger]: * Check array bounds for arrays that are off heap=IGNORE [2019-05-23 11:28:39,589 INFO L146 ILogger]: * sizeof long double=12 [2019-05-23 11:28:39,590 INFO L146 ILogger]: * Check if freed pointer was valid=false [2019-05-23 11:28:39,590 INFO L146 ILogger]: * Use constant arrays=true [2019-05-23 11:28:39,590 INFO L146 ILogger]: * Pointer base address is valid at dereference=IGNORE [2019-05-23 11:28:39,590 INFO L146 ILogger]: Preferences of RCFGBuilder differ from their defaults: [2019-05-23 11:28:39,590 INFO L146 ILogger]: * Size of a code block=SequenceOfStatements [2019-05-23 11:28:39,591 INFO L146 ILogger]: * To the following directory=./dump/ [2019-05-23 11:28:39,591 INFO L146 ILogger]: * SMT solver=External_DefaultMode [2019-05-23 11:28:39,591 INFO L146 ILogger]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-05-23 11:28:39,591 INFO L146 ILogger]: Preferences of TraceAbstraction differ from their defaults: [2019-05-23 11:28:39,591 INFO L146 ILogger]: * Compute Interpolants along a Counterexample=FPandBP [2019-05-23 11:28:39,592 INFO L146 ILogger]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-05-23 11:28:39,593 INFO L146 ILogger]: * Trace refinement strategy=CAMEL [2019-05-23 11:28:39,593 INFO L146 ILogger]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-05-23 11:28:39,593 INFO L146 ILogger]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-05-23 11:28:39,594 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 11:28:39,656 INFO L146 ILogger]: Repository-Root is: /tmp [2019-05-23 11:28:39,672 INFO L146 ILogger]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-05-23 11:28:39,676 INFO L146 ILogger]: [Toolchain 1]: Toolchain selected. [2019-05-23 11:28:39,678 INFO L146 ILogger]: Initializing CDTParser... [2019-05-23 11:28:39,678 INFO L146 ILogger]: CDTParser initialized [2019-05-23 11:28:39,679 INFO L146 ILogger]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/array-crafted/mapsum5_true-unreach-call.i [2019-05-23 11:28:39,742 INFO L146 ILogger]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/116f015df/da1908198baf4e16bd1f69a937e0b63e/FLAG8b3cbd510 [2019-05-23 11:28:40,168 INFO L146 ILogger]: Found 1 translation units. [2019-05-23 11:28:40,168 INFO L146 ILogger]: Scanning /storage/repos/svcomp/c/array-crafted/mapsum5_true-unreach-call.i [2019-05-23 11:28:40,175 INFO L146 ILogger]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/116f015df/da1908198baf4e16bd1f69a937e0b63e/FLAG8b3cbd510 [2019-05-23 11:28:40,529 INFO L146 ILogger]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/116f015df/da1908198baf4e16bd1f69a937e0b63e [2019-05-23 11:28:40,540 INFO L146 ILogger]: ####################### [Toolchain 1] ####################### [2019-05-23 11:28:40,542 INFO L146 ILogger]: Walking toolchain with 5 elements. [2019-05-23 11:28:40,543 INFO L146 ILogger]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-05-23 11:28:40,543 INFO L146 ILogger]: Initializing CACSL2BoogieTranslator... [2019-05-23 11:28:40,547 INFO L146 ILogger]: CACSL2BoogieTranslator initialized [2019-05-23 11:28:40,549 INFO L146 ILogger]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.05 11:28:40" (1/1) ... [2019-05-23 11:28:40,552 INFO L146 ILogger]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d904b2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:28:40, skipping insertion in model container [2019-05-23 11:28:40,552 INFO L146 ILogger]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.05 11:28:40" (1/1) ... [2019-05-23 11:28:40,559 INFO L146 ILogger]: Starting translation in SV-COMP mode [2019-05-23 11:28:40,578 INFO L146 ILogger]: Built tables and reachable declarations [2019-05-23 11:28:40,826 INFO L146 ILogger]: Analyzing one entry point: main [2019-05-23 11:28:40,840 INFO L146 ILogger]: Completed pre-run [2019-05-23 11:28:40,876 INFO L146 ILogger]: Analyzing one entry point: main [2019-05-23 11:28:40,892 INFO L146 ILogger]: Completed translation [2019-05-23 11:28:40,892 INFO L146 ILogger]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:28:40 WrapperNode [2019-05-23 11:28:40,892 INFO L146 ILogger]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-05-23 11:28:40,893 INFO L146 ILogger]: ------------------------Boogie Procedure Inliner---------------------------- [2019-05-23 11:28:40,893 INFO L146 ILogger]: Initializing Boogie Procedure Inliner... [2019-05-23 11:28:40,893 INFO L146 ILogger]: Boogie Procedure Inliner initialized [2019-05-23 11:28:40,901 INFO L146 ILogger]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:28:40" (1/1) ... [2019-05-23 11:28:40,911 INFO L146 ILogger]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:28:40" (1/1) ... [2019-05-23 11:28:40,945 INFO L146 ILogger]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-05-23 11:28:40,946 INFO L146 ILogger]: ------------------------Boogie Preprocessor---------------------------- [2019-05-23 11:28:40,946 INFO L146 ILogger]: Initializing Boogie Preprocessor... [2019-05-23 11:28:40,946 INFO L146 ILogger]: Boogie Preprocessor initialized [2019-05-23 11:28:40,954 INFO L146 ILogger]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:28:40" (1/1) ... [2019-05-23 11:28:40,955 INFO L146 ILogger]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:28:40" (1/1) ... [2019-05-23 11:28:40,957 INFO L146 ILogger]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:28:40" (1/1) ... [2019-05-23 11:28:40,958 INFO L146 ILogger]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:28:40" (1/1) ... [2019-05-23 11:28:40,974 INFO L146 ILogger]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:28:40" (1/1) ... [2019-05-23 11:28:41,077 INFO L146 ILogger]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:28:40" (1/1) ... [2019-05-23 11:28:41,078 INFO L146 ILogger]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:28:40" (1/1) ... [2019-05-23 11:28:41,087 INFO L146 ILogger]: ------------------------ END Boogie Preprocessor---------------------------- [2019-05-23 11:28:41,088 INFO L146 ILogger]: ------------------------RCFGBuilder---------------------------- [2019-05-23 11:28:41,088 INFO L146 ILogger]: Initializing RCFGBuilder... [2019-05-23 11:28:41,088 INFO L146 ILogger]: RCFGBuilder initialized [2019-05-23 11:28:41,089 INFO L146 ILogger]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:28:40" (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 11:28:41,141 INFO L146 ILogger]: Found specification of procedure write~int [2019-05-23 11:28:41,142 INFO L146 ILogger]: Found specification of procedure ULTIMATE.start [2019-05-23 11:28:41,142 INFO L146 ILogger]: Found implementation of procedure ULTIMATE.start [2019-05-23 11:28:41,142 INFO L146 ILogger]: Found specification of procedure read~int [2019-05-23 11:28:41,142 INFO L146 ILogger]: Found specification of procedure #Ultimate.allocOnStack [2019-05-23 11:28:41,142 INFO L146 ILogger]: Found specification of procedure ULTIMATE.dealloc [2019-05-23 11:28:41,715 INFO L146 ILogger]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-05-23 11:28:41,715 INFO L146 ILogger]: Removed 14 assume(true) statements. [2019-05-23 11:28:41,716 INFO L146 ILogger]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.05 11:28:41 BoogieIcfgContainer [2019-05-23 11:28:41,716 INFO L146 ILogger]: ------------------------ END RCFGBuilder---------------------------- [2019-05-23 11:28:41,717 INFO L146 ILogger]: ------------------------TraceAbstraction---------------------------- [2019-05-23 11:28:41,717 INFO L146 ILogger]: Initializing TraceAbstraction... [2019-05-23 11:28:41,720 INFO L146 ILogger]: TraceAbstraction initialized [2019-05-23 11:28:41,721 INFO L146 ILogger]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.05 11:28:40" (1/3) ... [2019-05-23 11:28:41,722 INFO L146 ILogger]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6086d576 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.05 11:28:41, skipping insertion in model container [2019-05-23 11:28:41,722 INFO L146 ILogger]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.05 11:28:40" (2/3) ... [2019-05-23 11:28:41,722 INFO L146 ILogger]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6086d576 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.05 11:28:41, skipping insertion in model container [2019-05-23 11:28:41,722 INFO L146 ILogger]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.05 11:28:41" (3/3) ... [2019-05-23 11:28:41,724 INFO L146 ILogger]: Analyzing ICFG mapsum5_true-unreach-call.i [2019-05-23 11:28:41,734 INFO L146 ILogger]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-05-23 11:28:41,741 INFO L146 ILogger]: Appying trace abstraction to program that has 1 error locations. [2019-05-23 11:28:41,758 INFO L146 ILogger]: Starting to check reachability of 1 error locations. [2019-05-23 11:28:41,787 INFO L146 ILogger]: Using default assertion order modulation [2019-05-23 11:28:41,788 INFO L146 ILogger]: Interprodecural is true [2019-05-23 11:28:41,788 INFO L146 ILogger]: Hoare is true [2019-05-23 11:28:41,788 INFO L146 ILogger]: Compute interpolants for FPandBP [2019-05-23 11:28:41,789 INFO L146 ILogger]: Backedges is STRAIGHT_LINE [2019-05-23 11:28:41,789 INFO L146 ILogger]: Determinization is PREDICATE_ABSTRACTION [2019-05-23 11:28:41,789 INFO L146 ILogger]: Difference is false [2019-05-23 11:28:41,789 INFO L146 ILogger]: Minimize is MINIMIZE_SEVPA [2019-05-23 11:28:41,789 INFO L146 ILogger]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-05-23 11:28:41,807 INFO L146 ILogger]: Start isEmpty. Operand 102 states. [2019-05-23 11:28:41,816 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 72 [2019-05-23 11:28:41,817 INFO L146 ILogger]: Found error trace [2019-05-23 11:28:41,818 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] [2019-05-23 11:28:41,820 INFO L146 ILogger]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-05-23 11:28:41,825 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 11:28:41,826 INFO L146 ILogger]: Analyzing trace with hash 2104564739, now seen corresponding path program 1 times [2019-05-23 11:28:41,827 INFO L146 ILogger]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-05-23 11:28:41,827 INFO L146 ILogger]: Using refinement strategy CamelRefinementStrategy [2019-05-23 11:28:41,873 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:28:41,873 INFO L146 ILogger]: Keeping assertion order NOT_INCREMENTALLY [2019-05-23 11:28:41,873 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:28:41,922 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 11:28:41,980 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 11:28:41,982 INFO L146 ILogger]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-05-23 11:28:41,983 INFO L146 ILogger]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-05-23 11:28:41,987 INFO L146 ILogger]: Interpolant automaton has 2 states [2019-05-23 11:28:42,000 INFO L146 ILogger]: Constructing interpolant automaton starting with 2 interpolants. [2019-05-23 11:28:42,001 INFO L146 ILogger]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-05-23 11:28:42,003 INFO L146 ILogger]: Start difference. First operand 102 states. Second operand 2 states. [2019-05-23 11:28:42,036 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 11:28:42,036 INFO L146 ILogger]: Finished difference Result 175 states and 190 transitions. [2019-05-23 11:28:42,036 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-05-23 11:28:42,037 INFO L146 ILogger]: Start accepts. Automaton has 2 states. Word has length 71 [2019-05-23 11:28:42,038 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 11:28:42,048 INFO L146 ILogger]: With dead ends: 175 [2019-05-23 11:28:42,048 INFO L146 ILogger]: Without dead ends: 96 [2019-05-23 11:28:42,052 INFO L146 ILogger]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-05-23 11:28:42,067 INFO L146 ILogger]: Start minimizeSevpa. Operand 96 states. [2019-05-23 11:28:42,087 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 96 to 96. [2019-05-23 11:28:42,088 INFO L146 ILogger]: Start removeUnreachable. Operand 96 states. [2019-05-23 11:28:42,090 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 96 states to 96 states and 99 transitions. [2019-05-23 11:28:42,092 INFO L146 ILogger]: Start accepts. Automaton has 96 states and 99 transitions. Word has length 71 [2019-05-23 11:28:42,092 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 11:28:42,093 INFO L146 ILogger]: Abstraction has 96 states and 99 transitions. [2019-05-23 11:28:42,093 INFO L146 ILogger]: Interpolant automaton has 2 states. [2019-05-23 11:28:42,093 INFO L146 ILogger]: Start isEmpty. Operand 96 states and 99 transitions. [2019-05-23 11:28:42,095 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 72 [2019-05-23 11:28:42,096 INFO L146 ILogger]: Found error trace [2019-05-23 11:28:42,096 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] [2019-05-23 11:28:42,096 INFO L146 ILogger]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-05-23 11:28:42,097 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 11:28:42,097 INFO L146 ILogger]: Analyzing trace with hash -1293992114, now seen corresponding path program 1 times [2019-05-23 11:28:42,097 INFO L146 ILogger]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-05-23 11:28:42,097 INFO L146 ILogger]: Using refinement strategy CamelRefinementStrategy [2019-05-23 11:28:42,099 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:28:42,099 INFO L146 ILogger]: Keeping assertion order NOT_INCREMENTALLY [2019-05-23 11:28:42,099 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:28:42,152 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 11:28:42,316 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 11:28:42,316 INFO L146 ILogger]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-05-23 11:28:42,317 INFO L146 ILogger]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-05-23 11:28:42,318 INFO L146 ILogger]: Interpolant automaton has 4 states [2019-05-23 11:28:42,318 INFO L146 ILogger]: Constructing interpolant automaton starting with 4 interpolants. [2019-05-23 11:28:42,319 INFO L146 ILogger]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-05-23 11:28:42,319 INFO L146 ILogger]: Start difference. First operand 96 states and 99 transitions. Second operand 4 states. [2019-05-23 11:28:42,763 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 11:28:42,763 INFO L146 ILogger]: Finished difference Result 181 states and 189 transitions. [2019-05-23 11:28:42,764 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-05-23 11:28:42,764 INFO L146 ILogger]: Start accepts. Automaton has 4 states. Word has length 71 [2019-05-23 11:28:42,764 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 11:28:42,765 INFO L146 ILogger]: With dead ends: 181 [2019-05-23 11:28:42,765 INFO L146 ILogger]: Without dead ends: 114 [2019-05-23 11:28:42,767 INFO L146 ILogger]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-05-23 11:28:42,767 INFO L146 ILogger]: Start minimizeSevpa. Operand 114 states. [2019-05-23 11:28:42,776 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 114 to 99. [2019-05-23 11:28:42,777 INFO L146 ILogger]: Start removeUnreachable. Operand 99 states. [2019-05-23 11:28:42,777 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 99 states to 99 states and 102 transitions. [2019-05-23 11:28:42,778 INFO L146 ILogger]: Start accepts. Automaton has 99 states and 102 transitions. Word has length 71 [2019-05-23 11:28:42,779 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 11:28:42,779 INFO L146 ILogger]: Abstraction has 99 states and 102 transitions. [2019-05-23 11:28:42,779 INFO L146 ILogger]: Interpolant automaton has 4 states. [2019-05-23 11:28:42,779 INFO L146 ILogger]: Start isEmpty. Operand 99 states and 102 transitions. [2019-05-23 11:28:42,781 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 93 [2019-05-23 11:28:42,781 INFO L146 ILogger]: Found error trace [2019-05-23 11:28:42,782 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, 1, 1, 1, 1, 1, 1, 1] [2019-05-23 11:28:42,782 INFO L146 ILogger]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-05-23 11:28:42,782 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 11:28:42,782 INFO L146 ILogger]: Analyzing trace with hash 1123833431, now seen corresponding path program 1 times [2019-05-23 11:28:42,783 INFO L146 ILogger]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-05-23 11:28:42,783 INFO L146 ILogger]: Using refinement strategy CamelRefinementStrategy [2019-05-23 11:28:42,784 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:28:42,784 INFO L146 ILogger]: Keeping assertion order NOT_INCREMENTALLY [2019-05-23 11:28:42,784 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:28:42,816 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 11:28:43,002 INFO L146 ILogger]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-05-23 11:28:43,002 INFO L146 ILogger]: The current sequences of interpolants are not accepted, trying to find more. [2019-05-23 11:28:43,003 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 11:28:43,023 INFO L146 ILogger]: Keeping assertion order NOT_INCREMENTALLY [2019-05-23 11:28:43,103 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 11:28:43,106 INFO L146 ILogger]: Trace formula consists of 161 conjuncts, 5 conjunts are in the unsatisfiable core [2019-05-23 11:28:43,114 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 11:28:43,241 INFO L146 ILogger]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-05-23 11:28:43,269 INFO L146 ILogger]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-05-23 11:28:43,269 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2019-05-23 11:28:43,270 INFO L146 ILogger]: Interpolant automaton has 9 states [2019-05-23 11:28:43,270 INFO L146 ILogger]: Constructing interpolant automaton starting with 9 interpolants. [2019-05-23 11:28:43,271 INFO L146 ILogger]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-05-23 11:28:43,271 INFO L146 ILogger]: Start difference. First operand 99 states and 102 transitions. Second operand 9 states. [2019-05-23 11:28:44,073 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 11:28:44,073 INFO L146 ILogger]: Finished difference Result 204 states and 212 transitions. [2019-05-23 11:28:44,074 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-05-23 11:28:44,074 INFO L146 ILogger]: Start accepts. Automaton has 9 states. Word has length 92 [2019-05-23 11:28:44,074 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 11:28:44,076 INFO L146 ILogger]: With dead ends: 204 [2019-05-23 11:28:44,076 INFO L146 ILogger]: Without dead ends: 135 [2019-05-23 11:28:44,077 INFO L146 ILogger]: 0 DeclaredPredicates, 100 GetRequests, 89 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2019-05-23 11:28:44,077 INFO L146 ILogger]: Start minimizeSevpa. Operand 135 states. [2019-05-23 11:28:44,086 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 135 to 120. [2019-05-23 11:28:44,086 INFO L146 ILogger]: Start removeUnreachable. Operand 120 states. [2019-05-23 11:28:44,087 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 120 states to 120 states and 123 transitions. [2019-05-23 11:28:44,087 INFO L146 ILogger]: Start accepts. Automaton has 120 states and 123 transitions. Word has length 92 [2019-05-23 11:28:44,088 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 11:28:44,088 INFO L146 ILogger]: Abstraction has 120 states and 123 transitions. [2019-05-23 11:28:44,088 INFO L146 ILogger]: Interpolant automaton has 9 states. [2019-05-23 11:28:44,088 INFO L146 ILogger]: Start isEmpty. Operand 120 states and 123 transitions. [2019-05-23 11:28:44,090 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 114 [2019-05-23 11:28:44,090 INFO L146 ILogger]: Found error trace [2019-05-23 11:28:44,090 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:28:44,091 INFO L146 ILogger]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-05-23 11:28:44,091 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 11:28:44,091 INFO L146 ILogger]: Analyzing trace with hash 2035814510, now seen corresponding path program 2 times [2019-05-23 11:28:44,091 INFO L146 ILogger]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-05-23 11:28:44,092 INFO L146 ILogger]: Using refinement strategy CamelRefinementStrategy [2019-05-23 11:28:44,093 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:28:44,093 INFO L146 ILogger]: Keeping assertion order NOT_INCREMENTALLY [2019-05-23 11:28:44,093 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:28:44,163 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 11:28:44,448 INFO L146 ILogger]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-05-23 11:28:44,448 INFO L146 ILogger]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-05-23 11:28:44,448 INFO L146 ILogger]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-05-23 11:28:44,449 INFO L146 ILogger]: Interpolant automaton has 4 states [2019-05-23 11:28:44,449 INFO L146 ILogger]: Constructing interpolant automaton starting with 4 interpolants. [2019-05-23 11:28:44,449 INFO L146 ILogger]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-05-23 11:28:44,450 INFO L146 ILogger]: Start difference. First operand 120 states and 123 transitions. Second operand 4 states. [2019-05-23 11:28:44,579 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 11:28:44,580 INFO L146 ILogger]: Finished difference Result 158 states and 162 transitions. [2019-05-23 11:28:44,580 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-05-23 11:28:44,581 INFO L146 ILogger]: Start accepts. Automaton has 4 states. Word has length 113 [2019-05-23 11:28:44,581 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 11:28:44,586 INFO L146 ILogger]: With dead ends: 158 [2019-05-23 11:28:44,586 INFO L146 ILogger]: Without dead ends: 126 [2019-05-23 11:28:44,587 INFO L146 ILogger]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-05-23 11:28:44,588 INFO L146 ILogger]: Start minimizeSevpa. Operand 126 states. [2019-05-23 11:28:44,602 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 126 to 121. [2019-05-23 11:28:44,602 INFO L146 ILogger]: Start removeUnreachable. Operand 121 states. [2019-05-23 11:28:44,603 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 121 states to 121 states and 124 transitions. [2019-05-23 11:28:44,609 INFO L146 ILogger]: Start accepts. Automaton has 121 states and 124 transitions. Word has length 113 [2019-05-23 11:28:44,610 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 11:28:44,611 INFO L146 ILogger]: Abstraction has 121 states and 124 transitions. [2019-05-23 11:28:44,611 INFO L146 ILogger]: Interpolant automaton has 4 states. [2019-05-23 11:28:44,611 INFO L146 ILogger]: Start isEmpty. Operand 121 states and 124 transitions. [2019-05-23 11:28:44,615 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 121 [2019-05-23 11:28:44,615 INFO L146 ILogger]: Found error trace [2019-05-23 11:28:44,616 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:28:44,616 INFO L146 ILogger]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-05-23 11:28:44,617 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 11:28:44,617 INFO L146 ILogger]: Analyzing trace with hash -355157445, now seen corresponding path program 1 times [2019-05-23 11:28:44,617 INFO L146 ILogger]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-05-23 11:28:44,617 INFO L146 ILogger]: Using refinement strategy CamelRefinementStrategy [2019-05-23 11:28:44,619 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:28:44,620 INFO L146 ILogger]: Changing assertion order to NOT_INCREMENTALLY [2019-05-23 11:28:44,620 INFO L146 ILogger]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-05-23 11:28:44,836 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 11:28:46,079 WARN L146 ILogger]: Spent 225.00 ms on a formula simplification. DAG size of input: 7 DAG size of output: 5 [2019-05-23 11:28:46,554 WARN L146 ILogger]: Spent 422.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 12 [2019-05-23 11:28:47,200 WARN L146 ILogger]: Spent 166.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 23 [2019-05-23 11:28:47,377 WARN L146 ILogger]: Spent 139.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 29 [2019-05-23 11:28:47,553 WARN L146 ILogger]: Spent 138.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 30 [2019-05-23 11:28:47,911 WARN L146 ILogger]: Spent 206.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 32 [2019-05-23 11:28:48,244 WARN L146 ILogger]: Spent 187.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 27 [2019-05-23 11:29:00,445 WARN L146 ILogger]: Spent 117.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 42 [2019-05-23 11:29:00,771 WARN L146 ILogger]: Spent 292.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 42 [2019-05-23 11:29:13,001 WARN L146 ILogger]: Spent 12.19 s on a formula simplification. DAG size of input: 61 DAG size of output: 47 [2019-05-23 11:29:38,861 WARN L146 ILogger]: Spent 13.77 s on a formula simplification. DAG size of input: 61 DAG size of output: 48