java -Xss1g -Xmx4000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCHC.xml --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf -i /storage/chc-comp/vmt-chc-benchmarks/lustre/ILLINOIS_4_e7_2651_e7_2847.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 08:38:10,047 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 08:38:10,049 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 08:38:10,064 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 08:38:10,064 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 08:38:10,066 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 08:38:10,067 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 08:38:10,071 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 08:38:10,072 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 08:38:10,074 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 08:38:10,075 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 08:38:10,075 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 08:38:10,076 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 08:38:10,080 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 08:38:10,081 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 08:38:10,082 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 08:38:10,095 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 08:38:10,097 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 08:38:10,099 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 08:38:10,100 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 08:38:10,101 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 08:38:10,103 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 08:38:10,103 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 08:38:10,103 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 08:38:10,108 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 08:38:10,109 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 08:38:10,109 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 08:38:10,110 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 08:38:10,116 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 08:38:10,116 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 08:38:10,117 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 08:38:10,118 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 08:38:10,118 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 08:38:10,119 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 08:38:10,119 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 08:38:10,120 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-22 08:38:10,144 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 08:38:10,145 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 08:38:10,146 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 08:38:10,146 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 08:38:10,147 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 08:38:10,147 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 08:38:10,147 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 08:38:10,148 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 08:38:10,148 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 08:38:10,148 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 08:38:10,148 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 08:38:10,148 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 08:38:10,148 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 08:38:10,149 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 08:38:10,149 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 08:38:10,150 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 08:38:10,150 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 08:38:10,151 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 08:38:10,151 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 08:38:10,199 INFO ]: Repository-Root is: /tmp [2018-06-22 08:38:10,215 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 08:38:10,220 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 08:38:10,221 INFO ]: Initializing SmtParser... [2018-06-22 08:38:10,221 INFO ]: SmtParser initialized [2018-06-22 08:38:10,222 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/ILLINOIS_4_e7_2651_e7_2847.smt2 [2018-06-22 08:38:10,224 INFO ]: Parsing .smt2 file as a set of Horn Clauses No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -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:1024 -smt2 -in -t:12000 [2018-06-22 08:38:10,310 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/ILLINOIS_4_e7_2651_e7_2847.smt2 unknown [2018-06-22 08:38:10,804 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/ILLINOIS_4_e7_2651_e7_2847.smt2 [2018-06-22 08:38:10,808 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 08:38:10,815 INFO ]: Walking toolchain with 4 elements. [2018-06-22 08:38:10,815 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 08:38:10,815 INFO ]: Initializing ChcToBoogie... [2018-06-22 08:38:10,815 INFO ]: ChcToBoogie initialized [2018-06-22 08:38:10,827 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 08:38:10" (1/1) ... [2018-06-22 08:38:10,943 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:38:10 Unit [2018-06-22 08:38:10,943 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 08:38:10,943 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 08:38:10,943 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 08:38:10,943 INFO ]: Boogie Preprocessor initialized [2018-06-22 08:38:10,958 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:38:10" (1/1) ... [2018-06-22 08:38:10,958 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:38:10" (1/1) ... [2018-06-22 08:38:10,968 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:38:10" (1/1) ... [2018-06-22 08:38:10,968 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:38:10" (1/1) ... [2018-06-22 08:38:10,982 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:38:10" (1/1) ... [2018-06-22 08:38:10,985 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:38:10" (1/1) ... [2018-06-22 08:38:10,988 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:38:10" (1/1) ... [2018-06-22 08:38:10,993 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 08:38:10,994 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 08:38:10,994 INFO ]: Initializing RCFGBuilder... [2018-06-22 08:38:10,994 INFO ]: RCFGBuilder initialized [2018-06-22 08:38:10,995 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:38:10" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2018-06-22 08:38:11,008 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-22 08:38:11,008 INFO ]: Found specification of procedure gotoProc [2018-06-22 08:38:11,009 INFO ]: Found implementation of procedure gotoProc [2018-06-22 08:38:11,009 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 08:38:11,009 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 08:38:11,009 INFO ]: Found implementation of procedure Ultimate.START Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 08:38:11,450 INFO ]: Using library mode [2018-06-22 08:38:11,450 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 08:38:11 BoogieIcfgContainer [2018-06-22 08:38:11,450 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 08:38:11,452 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 08:38:11,452 INFO ]: Initializing TraceAbstraction... [2018-06-22 08:38:11,457 INFO ]: TraceAbstraction initialized [2018-06-22 08:38:11,457 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 08:38:10" (1/3) ... [2018-06-22 08:38:11,458 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e8ad5a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 08:38:11, skipping insertion in model container [2018-06-22 08:38:11,458 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:38:10" (2/3) ... [2018-06-22 08:38:11,458 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e8ad5a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 08:38:11, skipping insertion in model container [2018-06-22 08:38:11,458 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 08:38:11" (3/3) ... [2018-06-22 08:38:11,460 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 08:38:11,472 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 08:38:11,481 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 08:38:11,532 INFO ]: Using default assertion order modulation [2018-06-22 08:38:11,533 INFO ]: Interprodecural is true [2018-06-22 08:38:11,533 INFO ]: Hoare is false [2018-06-22 08:38:11,533 INFO ]: Compute interpolants for FPandBP [2018-06-22 08:38:11,533 INFO ]: Backedges is TWOTRACK [2018-06-22 08:38:11,533 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 08:38:11,533 INFO ]: Difference is false [2018-06-22 08:38:11,533 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 08:38:11,533 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 08:38:11,547 INFO ]: Start isEmpty. Operand 10 states. [2018-06-22 08:38:11,557 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-22 08:38:11,557 INFO ]: Found error trace [2018-06-22 08:38:11,557 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-06-22 08:38:11,558 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 08:38:11,576 INFO ]: Analyzing trace with hash 1284994894, now seen corresponding path program 1 times [2018-06-22 08:38:11,577 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 08:38:11,578 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 08:38:11,620 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 08:38:11,620 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 08:38:11,620 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 08:38:11,744 INFO ]: Conjunction of SSA is unsat [2018-06-22 08:38:11,897 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 08:38:11,899 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 08:38:11,899 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-22 08:38:11,901 INFO ]: Interpolant automaton has 3 states [2018-06-22 08:38:11,913 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-22 08:38:11,915 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-22 08:38:11,917 INFO ]: Start difference. First operand 10 states. Second operand 3 states. [2018-06-22 08:38:12,003 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 08:38:12,003 INFO ]: Finished difference Result 9 states and 9 transitions. [2018-06-22 08:38:12,005 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-22 08:38:12,006 INFO ]: Start accepts. Automaton has 3 states. Word has length 7 [2018-06-22 08:38:12,006 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 08:38:12,015 INFO ]: With dead ends: 9 [2018-06-22 08:38:12,015 INFO ]: Without dead ends: 9 [2018-06-22 08:38:12,020 INFO ]: 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 [2018-06-22 08:38:12,035 INFO ]: Start minimizeSevpa. Operand 9 states. [2018-06-22 08:38:12,049 INFO ]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-06-22 08:38:12,050 INFO ]: Start removeUnreachable. Operand 9 states. [2018-06-22 08:38:12,051 INFO ]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-06-22 08:38:12,052 INFO ]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2018-06-22 08:38:12,052 INFO ]: Finished accepts. word is rejected. [2018-06-22 08:38:12,052 INFO ]: Abstraction has 9 states and 9 transitions. [2018-06-22 08:38:12,052 INFO ]: Interpolant automaton has 3 states. [2018-06-22 08:38:12,052 INFO ]: Start isEmpty. Operand 9 states and 9 transitions. [2018-06-22 08:38:12,052 INFO ]: Finished isEmpty. Found accepting run of length 9 [2018-06-22 08:38:12,052 INFO ]: Found error trace [2018-06-22 08:38:12,052 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 08:38:12,052 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 08:38:12,053 INFO ]: Analyzing trace with hash 1180964567, now seen corresponding path program 1 times [2018-06-22 08:38:12,053 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 08:38:12,053 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 08:38:12,053 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 08:38:12,053 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 08:38:12,053 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 08:38:12,231 INFO ]: Conjunction of SSA is unsat [2018-06-22 08:38:12,546 WARN ]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-06-22 08:38:12,547 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 08:38:12,547 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 08:38:12,548 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/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 [2018-06-22 08:38:12,564 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 08:38:12,773 INFO ]: Conjunction of SSA is unsat [2018-06-22 08:38:12,786 INFO ]: Computing forward predicates... [2018-06-22 08:38:13,520 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 08:38:13,524 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 08:38:13,530 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 08:38:13,541 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 08:38:13,547 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 08:38:13,551 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 08:38:13,565 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 08:38:13,571 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 08:38:13,576 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 08:38:13,580 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 08:38:13,581 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 08:38:13,584 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 08:38:13,587 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 08:38:13,594 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 08:38:13,601 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 08:38:13,609 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 08:38:13,611 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 08:38:13,612 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 08:38:13,622 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 08:38:13,630 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 08:38:13,702 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 08:38:13,704 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 08:38:13,706 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 08:38:13,708 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 08:38:13,711 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 08:38:14,051 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 08:38:14,088 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 08:38:14,118 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 08:38:14,183 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 08:38:14,190 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 08:38:14,215 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 08:38:14,644 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 08:38:14,669 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 08:38:14,853 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 08:38:14,860 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 08:38:14,881 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 08:38:14,919 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 08:38:14,925 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 08:38:15,051 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 08:38:15,056 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 08:38:15,070 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 08:38:15,398 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 08:38:15,421 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 08:38:15,445 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 08:38:15,473 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 08:38:15,571 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 08:38:15,573 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 08:38:16,539 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 08:38:16,542 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 08:38:16,554 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 08:38:16,557 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 08:38:16,572 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 08:38:16,643 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 08:38:16,665 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 08:38:16,669 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 08:38:16,673 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 08:38:16,690 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 08:38:16,709 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 08:38:16,801 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 08:38:16,806 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 08:38:50,804 WARN ]: Spent 409.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 11 [2018-06-22 08:38:50,806 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 08:38:50,828 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 08:38:50,828 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2018-06-22 08:38:50,829 INFO ]: Interpolant automaton has 5 states [2018-06-22 08:38:50,829 INFO ]: Constructing interpolant automaton starting with 5 interpolants. [2018-06-22 08:38:50,829 INFO ]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-06-22 08:38:50,829 INFO ]: Start difference. First operand 9 states and 9 transitions. Second operand 5 states. [2018-06-22 08:38:50,869 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 08:38:50,869 INFO ]: Finished difference Result 10 states and 10 transitions. [2018-06-22 08:38:50,869 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 08:38:50,869 INFO ]: Start accepts. Automaton has 5 states. Word has length 8 [2018-06-22 08:38:50,869 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 08:38:50,870 INFO ]: With dead ends: 10 [2018-06-22 08:38:50,870 INFO ]: Without dead ends: 10 [2018-06-22 08:38:50,870 INFO ]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-06-22 08:38:50,870 INFO ]: Start minimizeSevpa. Operand 10 states. [2018-06-22 08:38:50,871 INFO ]: Finished minimizeSevpa. Reduced states from 10 to 10. [2018-06-22 08:38:50,872 INFO ]: Start removeUnreachable. Operand 10 states. [2018-06-22 08:38:50,872 INFO ]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2018-06-22 08:38:50,872 INFO ]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 8 [2018-06-22 08:38:50,872 INFO ]: Finished accepts. word is rejected. [2018-06-22 08:38:50,872 INFO ]: Abstraction has 10 states and 10 transitions. [2018-06-22 08:38:50,872 INFO ]: Interpolant automaton has 5 states. [2018-06-22 08:38:50,872 INFO ]: Start isEmpty. Operand 10 states and 10 transitions. [2018-06-22 08:38:50,873 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 08:38:50,873 INFO ]: Found error trace [2018-06-22 08:38:50,873 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 08:38:50,873 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 08:38:50,873 INFO ]: Analyzing trace with hash -2043975570, now seen corresponding path program 2 times [2018-06-22 08:38:50,873 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 08:38:50,873 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 08:38:50,874 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 08:38:50,874 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 08:38:50,874 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 08:38:51,092 INFO ]: Conjunction of SSA is unsat [2018-06-22 08:38:51,689 WARN ]: Spent 299.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 21 [2018-06-22 08:38:51,721 INFO ]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 08:38:51,721 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 08:38:51,721 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/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 [2018-06-22 08:38:51,727 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-06-22 08:38:51,908 INFO ]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-06-22 08:38:51,908 INFO ]: Conjunction of SSA is unsat [2018-06-22 08:38:51,916 INFO ]: Computing forward predicates... [2018-06-22 08:38:53,319 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 08:38:53,321 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 08:38:53,322 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 08:38:53,323 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 08:38:53,323 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 08:38:53,325 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 08:38:53,326 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 08:38:53,327 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 08:38:53,328 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 08:38:53,330 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 08:38:53,334 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 08:38:53,335 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 08:38:53,336 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 08:38:53,340 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 08:38:53,343 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 08:38:53,345 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 08:38:53,351 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 08:38:53,351 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 08:38:53,352 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 08:38:53,356 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 08:38:53,358 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 08:38:53,366 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 08:38:53,367 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 08:38:53,367 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 08:38:53,368 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 08:38:53,368 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 08:38:53,369 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 08:38:53,371 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 08:38:53,373 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 08:38:53,377 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 08:38:53,381 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 08:38:53,382 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 08:38:53,383 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 08:38:53,386 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 08:38:53,390 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 08:38:53,390 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 08:38:53,391 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 08:38:53,394 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 08:38:53,395 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 08:38:53,399 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 08:38:53,406 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 08:38:53,407 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 08:38:53,421 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 08:38:53,475 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 08:38:53,478 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 08:38:53,482 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 08:38:53,620 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 08:38:53,742 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 08:38:53,869 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 08:38:53,871 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 08:38:53,873 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 08:38:53,875 WARN ]: expecting exponential blowup for input size 15 [2018-06-22 08:38:54,834 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 08:38:54,835 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 08:38:54,835 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 08:38:54,835 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 08:38:54,933 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 08:38:54,948 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 08:38:55,041 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 08:38:55,042 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 08:38:55,080 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 08:38:55,081 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 08:38:55,085 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 08:38:55,086 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 08:38:55,095 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 08:38:55,095 WARN ]: expecting exponential blowup for input size 14 [2018-06-22 08:38:55,429 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 08:38:55,430 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 08:38:55,431 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 08:38:55,431 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 08:38:55,432 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 08:38:55,437 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 08:38:55,438 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 08:38:55,440 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 08:38:55,441 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 08:38:55,443 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 08:38:55,444 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 08:38:55,445 WARN ]: expecting exponential blowup for input size 15 [2018-06-22 08:38:55,994 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 08:38:55,997 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 08:38:56,089 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 08:38:56,090 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 08:38:56,091 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 08:38:56,171 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 08:38:56,171 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 08:38:57,299 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 08:38:58,268 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 08:38:58,272 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 08:38:58,289 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 08:38:58,462 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 08:38:59,250 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 08:38:59,250 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 08:38:59,251 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 08:38:59,252 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 08:38:59,252 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 08:38:59,255 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 08:38:59,259 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 08:38:59,334 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 08:38:59,458 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 08:38:59,459 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 08:38:59,644 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 08:38:59,645 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 08:38:59,646 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 08:38:59,656 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 08:38:59,657 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 08:38:59,675 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 08:38:59,676 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 08:38:59,676 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 08:38:59,677 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 08:38:59,739 WARN ]: Simplifying disjunction of 12844 conjuctions. This might take some time... [2018-06-22 08:39:09,842 INFO ]: Simplified to disjunction of 12844 conjuctions. [2018-06-22 08:39:09,898 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 08:39:09,899 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 08:39:09,899 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 08:39:09,900 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 08:39:09,900 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 08:39:09,901 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 08:39:09,902 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 08:39:09,903 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 08:39:09,908 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 08:39:09,913 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 08:39:09,914 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 08:39:09,916 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 08:39:09,917 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 08:39:09,918 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 08:39:09,920 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 08:39:09,921 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 08:39:09,923 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 08:39:09,925 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 08:39:09,925 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 08:39:09,926 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 08:39:09,928 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 08:39:09,929 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 08:39:09,933 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 08:39:09,937 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 08:39:09,942 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 08:39:09,944 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 08:39:09,945 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 08:39:09,947 WARN ]: expecting exponential blowup for input size 20 [2018-06-22 08:39:10,966 WARN ]: Simplifying disjunction of 52488 conjuctions. This might take some time... Received shutdown request... [2018-06-22 08:39:18,445 INFO ]: Timeout while computing interpolants [2018-06-22 08:39:18,647 WARN ]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 08:39:18,648 WARN ]: Verification canceled [2018-06-22 08:39:18,651 WARN ]: Timeout [2018-06-22 08:39:18,652 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 08:39:18 BoogieIcfgContainer [2018-06-22 08:39:18,652 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 08:39:18,652 INFO ]: Toolchain (without parser) took 67843.48 ms. Allocated memory was 306.7 MB in the beginning and 1.5 GB in the end (delta: 1.1 GB). Free memory was 239.2 MB in the beginning and 159.0 MB in the end (delta: 80.2 MB). Peak memory consumption was 1.4 GB. Max. memory is 3.6 GB. [2018-06-22 08:39:18,653 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 306.7 MB. Free memory is still 271.2 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 08:39:18,653 INFO ]: ChcToBoogie took 127.81 ms. Allocated memory is still 306.7 MB. Free memory was 239.2 MB in the beginning and 235.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-22 08:39:18,654 INFO ]: Boogie Preprocessor took 49.90 ms. Allocated memory is still 306.7 MB. Free memory was 235.2 MB in the beginning and 233.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 08:39:18,654 INFO ]: RCFGBuilder took 456.70 ms. Allocated memory is still 306.7 MB. Free memory was 233.2 MB in the beginning and 193.2 MB in the end (delta: 40.0 MB). Peak memory consumption was 40.0 MB. Max. memory is 3.6 GB. [2018-06-22 08:39:18,654 INFO ]: TraceAbstraction took 67199.98 ms. Allocated memory was 306.7 MB in the beginning and 1.5 GB in the end (delta: 1.1 GB). Free memory was 193.2 MB in the beginning and 159.0 MB in the end (delta: 34.2 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 08:39:18,657 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.08 ms. Allocated memory is still 306.7 MB. Free memory is still 271.2 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 127.81 ms. Allocated memory is still 306.7 MB. Free memory was 239.2 MB in the beginning and 235.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 49.90 ms. Allocated memory is still 306.7 MB. Free memory was 235.2 MB in the beginning and 233.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 456.70 ms. Allocated memory is still 306.7 MB. Free memory was 233.2 MB in the beginning and 193.2 MB in the end (delta: 40.0 MB). Peak memory consumption was 40.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 67199.98 ms. Allocated memory was 306.7 MB in the beginning and 1.5 GB in the end (delta: 1.1 GB). Free memory was 193.2 MB in the beginning and 159.0 MB in the end (delta: 34.2 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [UNKNOWN] : Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 0). Cancelled while BasicCegarLoop was analyzing trace of length 10 with TraceHistMax 2, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while DnfTransformerHelper was XNF transformer was simplifying 52488 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 10 locations, 1 error locations. TIMEOUT Result, 67.1s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 14 SDtfs, 0 SDslu, 20 SDs, 0 SdLazy, 14 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 38.4s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 364 SizeOfPredicates, 3 NumberOfNonLiveVariables, 710 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 0/2 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ILLINOIS_4_e7_2651_e7_2847.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_08-39-18-673.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ILLINOIS_4_e7_2651_e7_2847.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_08-39-18-673.csv Completed graceful shutdown